* [misc]progress:  [Phase 1 of 3] Setting up.
* * * [misc]progress:  [1/2] Preparing points
* * * [misc]progress:  [2/2] Setting up program.
* [enter]simplify:  Simplifying (+ (+ (* d1 10) (* d1 d2)) (* d1 20))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (27 enodes)
* * [misc]simplify:  iters left: 3 (39 enodes)
* * [misc]simplify:  iters left: 2 (49 enodes)
* * [misc]simplify:  iters left: 1 (55 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (+ 10 d2) 20))
* [misc]progress:  [Phase 2 of 3] Improving.
* * [misc]progress:  iteration 1 / 2
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (d1 d2) (* d1 (+ (+ 10 d2) 20)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 2 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (* d1 (+ (+ 10 d2) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (+ 10 d2) 20)) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (+ 10 d2) 20)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (+ 10 d2) 20)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (+ (+ 10 d2) 20) into (+ 30 d2)
* [misc]backup-simplify:  Simplify (* 0 (+ 30 d2)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (+ 30 d2))) into (+ 30 d2)
* [misc]taylor:  Taking taylor expansion of (+ 30 d2) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (+ 30 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (+ 30 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 30 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* d2 d1)) (* 30 (* 1 d1))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 d1) (+ (+ 10 (/ 1 d2)) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (+ 10 (/ 1 d2)) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (+ 10 (/ 1 d2)) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (+ 10 (/ 1 d2)) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (+ (+ 10 (/ 1 d2)) 20) into (+ 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* 1 (+ 30 (/ 1 d2))) into (+ 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (+ 30 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (+ 30 (/ 1 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (+ 30 (/ 1 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 30 (/ 1 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 30 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 30 (* 1 (/ 1 (/ 1 d1)))) (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1))))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (+ 10 (/ 1 (- d2))) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (+ 10 (/ 1 (- d2))) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (+ 10 (/ 1 (- d2))) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (+ 10 (/ 1 (- d2))) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (+ (- 10 (/ 1 d2)) 20) into (- 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* -1 (- 30 (/ 1 d2))) into (* -1 (- 30 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (* -1 (- 30 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (- 30 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (- 30 (/ 1 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify (+ (* -1 30) (* 0 -1)) into -30
* [misc]backup-simplify:  Simplify -30 into -30
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- 30 (/ 1 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 30) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 30 (/ 1 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 30) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 30 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* -30 (* 1 (/ 1 (/ 1 (- d1))))) (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1)))))) into (+ (* 30 d1) (* d1 d2))
* * * * [misc]progress:  [ 2 / 2 ] generating series at (2 2)
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 d2) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 d2) 30) into (+ 30 d2)
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 30 (* 1 (/ 1 (/ 1 d2)))) into (+ 30 d2)
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 30 (* -1 (/ 1 (/ 1 (- d2))))) into (+ 30 d2)
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 2 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 2 ] rewriting at (2 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 30 ] simplifiying candidate #<alt-event (λ (d1 d2) (+ (* 30 d1) (* d1 d2)))>
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 2 / 30 ] simplifiying candidate #<alt-event (λ (d1 d2) (+ (* 30 d1) (* d1 d2)))>
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 3 / 30 ] simplifiying candidate #<alt-event (λ (d1 d2) (+ (* 30 d1) (* d1 d2)))>
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 4 / 30 ] simplifiying candidate #<alt-event (λ (d1 d2) (* d1 (+ 30 d2)))>
* [enter]simplify:  Simplifying (* d1 (+ 30 d2))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 5 / 30 ] simplifiying candidate #<alt-event (λ (d1 d2) (* d1 (+ 30 d2)))>
* [enter]simplify:  Simplifying (* d1 (+ 30 d2))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 6 / 30 ] simplifiying candidate #<alt-event (λ (d1 d2) (* d1 (+ 30 d2)))>
* [enter]simplify:  Simplifying (* d1 (+ 30 d2))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 7 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (pow (* d1 (+ (+ 10 d2) 20)) 1))>
* * * * [misc]progress:  [ 8 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (exp (log (* d1 (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (log (* d1 (+ (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (47 enodes)
* * [misc]simplify:  iters left: 2 (57 enodes)
* * [misc]simplify:  iters left: 1 (62 enodes)
* [exit]simplify:  Simplified to (log (* d1 (+ d2 (+ 20 10))))
* [exit]simplify:  Simplified to (log (* d1 (+ d2 (+ 20 10))))
* * * * [misc]progress:  [ 9 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (log (exp (* d1 (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (exp (* d1 (+ (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (66 enodes)
* * [misc]simplify:  iters left: 2 (96 enodes)
* * [misc]simplify:  iters left: 1 (116 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (+ (+ 20 d2) 10))
* [exit]simplify:  Simplified to (pow (exp d1) (+ (+ 20 d2) 10))
* * * * [misc]progress:  [ 10 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (cube (cbrt (* d1 (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (cbrt (* d1 (+ (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (cbrt (* d1 (+ (+ 20 10) d2)))
* [exit]simplify:  Simplified to (cbrt (* d1 (+ (+ 20 10) d2)))
* * * * [misc]progress:  [ 11 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (cbrt (cube (* d1 (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (cube (* d1 (+ (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (23 enodes)
* * [misc]simplify:  iters left: 4 (54 enodes)
* * [misc]simplify:  iters left: 3 (124 enodes)
* * [misc]simplify:  iters left: 2 (487 enodes)
* [exit]simplify:  Simplified to (cube (* d1 (+ 10 (+ 20 d2))))
* [exit]simplify:  Simplified to (cube (* d1 (+ 10 (+ 20 d2))))
* * * * [misc]progress:  [ 12 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (sqr (sqrt (* d1 (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (sqrt (* d1 (+ (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (33 enodes)
* * [misc]simplify:  iters left: 3 (43 enodes)
* * [misc]simplify:  iters left: 2 (53 enodes)
* * [misc]simplify:  iters left: 1 (58 enodes)
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (+ 20 10) d2)))
* [exit]simplify:  Simplified to (sqrt (* d1 (+ (+ 20 10) d2)))
* * * * [misc]progress:  [ 13 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* 1 (* d1 (+ (+ 10 d2) 20))))>
* * * * [misc]progress:  [ 14 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (+ (* d1 (+ 10 d2)) (* d1 20)))>
* [enter]simplify:  Simplifying (* d1 (+ 10 d2))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 10))
* [exit]simplify:  Simplified to (* d1 (+ d2 10))
* [enter]simplify:  Simplifying (* d1 20)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* 20 d1)
* [exit]simplify:  Simplified to (* 20 d1)
* * * * [misc]progress:  [ 15 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (+ (* (+ 10 d2) d1) (* 20 d1)))>
* [enter]simplify:  Simplifying (* (+ 10 d2) d1)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* [exit]simplify:  Simplified to (* (+ 10 d2) d1)
* [exit]simplify:  Simplified to (* (+ 10 d2) d1)
* [enter]simplify:  Simplifying (* 20 d1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* d1 20)
* [exit]simplify:  Simplified to (* d1 20)
* * * * [misc]progress:  [ 16 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* (* d1 1) (+ (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* d1 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to d1
* [exit]simplify:  Simplified to d1
* * * * [misc]progress:  [ 17 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (pow (+ 10 d2) 3) (pow 20 3))) (+ (sqr (+ 10 d2)) (- (sqr 20) (* (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (* d1 (- (pow (+ 10 d2) 3) (pow 20 3)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (18 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (66 enodes)
* * [misc]simplify:  iters left: 1 (147 enodes)
* [exit]simplify:  Simplified to (* d1 (- (cube (+ d2 10)) (cube 20)))
* [exit]simplify:  Simplified to (* d1 (- (cube (+ d2 10)) (cube 20)))
* * * * [misc]progress:  [ 18 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* d1 (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (325 enodes)
* * [misc]simplify:  iters left: 1 (401 enodes)
* [exit]simplify:  Simplified to (* (+ 20 (+ d2 10)) (* d1 (- (+ d2 10) 20)))
* [exit]simplify:  Simplified to (* (+ 20 (+ d2 10)) (* d1 (- (+ d2 10) 20)))
* * * * [misc]progress:  [ 19 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* (+ (+ 10 d2) 20) d1))>
* * * * [misc]progress:  [ 20 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (pow (+ (+ 10 d2) 20) 1)))>
* * * * [misc]progress:  [ 21 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (exp (log (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (log (+ (+ 10 d2) 20))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (log (+ (+ 10 d2) 20))
* [exit]simplify:  Simplified to (log (+ (+ 10 d2) 20))
* * * * [misc]progress:  [ 22 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (log (exp (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (exp (+ (+ 10 d2) 20))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (12 enodes)
* * [misc]simplify:  iters left: 3 (20 enodes)
* * [misc]simplify:  iters left: 2 (31 enodes)
* * [misc]simplify:  iters left: 1 (38 enodes)
* [exit]simplify:  Simplified to (exp (+ 10 (+ d2 20)))
* [exit]simplify:  Simplified to (exp (+ 10 (+ d2 20)))
* * * * [misc]progress:  [ 23 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (cube (cbrt (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (cbrt (+ (+ 10 d2) 20))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (cbrt (+ (+ 10 d2) 20))
* [exit]simplify:  Simplified to (cbrt (+ (+ 10 d2) 20))
* * * * [misc]progress:  [ 24 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (cbrt (cube (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (cube (+ (+ 10 d2) 20))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (112 enodes)
* * [misc]simplify:  iters left: 1 (307 enodes)
* [exit]simplify:  Simplified to (cube (+ d2 (+ 20 10)))
* [exit]simplify:  Simplified to (cube (+ d2 (+ 20 10)))
* * * * [misc]progress:  [ 25 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (sqr (sqrt (+ (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (sqrt (+ (+ 10 d2) 20))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (sqrt (+ (+ 10 d2) 20))
* [exit]simplify:  Simplified to (sqrt (+ (+ 10 d2) 20))
* * * * [misc]progress:  [ 26 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (* 1 (+ (+ 10 d2) 20))))>
* * * * [misc]progress:  [ 27 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (/ (- (pow (+ 10 d2) 3) (pow 20 3)) (+ (sqr (+ 10 d2)) (- (sqr 20) (* (+ 10 d2) 20))))))>
* [enter]simplify:  Simplifying (- (pow (+ 10 d2) 3) (pow 20 3))
* * [misc]simplify:  iters left: 5 (8 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (63 enodes)
* [exit]simplify:  Simplified to (- (cube (+ 10 d2)) (cube 20))
* [exit]simplify:  Simplified to (- (cube (+ 10 d2)) (cube 20))
* [enter]simplify:  Simplifying (+ (sqr (+ 10 d2)) (- (sqr 20) (* (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (37 enodes)
* * [misc]simplify:  iters left: 3 (103 enodes)
* * [misc]simplify:  iters left: 2 (192 enodes)
* * [misc]simplify:  iters left: 1 (381 enodes)
* [exit]simplify:  Simplified to (- (* 20 20) (- (* 20 (+ 10 d2)) (* (+ 10 d2) (+ 10 d2))))
* [exit]simplify:  Simplified to (- (* 20 20) (- (* 20 (+ 10 d2)) (* (+ 10 d2) (+ 10 d2))))
* * * * [misc]progress:  [ 28 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (/ (- (sqr (+ 10 d2)) (sqr 20)) (- (+ 10 d2) 20))))>
* [enter]simplify:  Simplifying (- (sqr (+ 10 d2)) (sqr 20))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (87 enodes)
* * [misc]simplify:  iters left: 1 (277 enodes)
* [exit]simplify:  Simplified to (- (* (+ 10 d2) (+ 10 d2)) (* 20 20))
* [exit]simplify:  Simplified to (- (* (+ 10 d2) (+ 10 d2)) (* 20 20))
* [enter]simplify:  Simplifying (- (+ 10 d2) 20)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (+ 10 (- d2 20))
* [exit]simplify:  Simplified to (+ 10 (- d2 20))
* * * * [misc]progress:  [ 29 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (+ 10 (+ d2 20))))>
* [enter]simplify:  Simplifying (+ d2 20)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (+ d2 20)
* [exit]simplify:  Simplified to (+ d2 20)
* * * * [misc]progress:  [ 30 / 30 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* d1 (+ 20 (+ 10 d2))))>
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  iteration 2 / 2
* * * [misc]progress:  picking best candidate
* * * * [misc]pick:  Picked  #<alt-delta (λ (d1 d2) (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))>
* * * [misc]progress:  localizing error
* * * [misc]progress:  generating series expansions
* * * * [misc]progress:  [ 1 / 4 ] generating series at (2)
* [misc]approximate:  Taking taylor expansion of (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (* 10 10) into 100
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ 100 -400) into -300
* [misc]backup-simplify:  Simplify (* d1 -300) into (* -300 d1)
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ 10 -20) into -10
* [misc]backup-simplify:  Simplify (/ (* -300 d1) -10) into (* 30 d1)
* [misc]taylor:  Taking taylor expansion of (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 d2) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (* (+ 10 d2) (+ 10 d2)) into (sqr (+ 10 d2))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 d2)) -400) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (* 0 (- (+ (sqr d2) (* 20 d2)) 300)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (* 0 (+ 10 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- (+ (sqr d2) (* 20 d2)) 300))) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (+ 10 d2) -20) into (- d2 10)
* [misc]backup-simplify:  Simplify (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) into (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10))
* [misc]taylor:  Taking taylor expansion of (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 d2) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (* (+ 10 d2) (+ 10 d2)) into (sqr (+ 10 d2))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 d2)) -400) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (* 0 (- (+ (sqr d2) (* 20 d2)) 300)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (* 0 (+ 10 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- (+ (sqr d2) (* 20 d2)) 300))) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (+ 10 d2) -20) into (- d2 10)
* [misc]backup-simplify:  Simplify (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) into (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) in d2
* [misc]taylor:  Taking taylor expansion of (- (+ (sqr d2) (* 20 d2)) 300) in d2
* [misc]taylor:  Taking taylor expansion of (+ (sqr d2) (* 20 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* 20 d2) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]taylor:  Taking taylor expansion of (- d2 10) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* 20 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify (- 10) into -10
* [misc]backup-simplify:  Simplify (+ 0 -10) into -10
* [misc]backup-simplify:  Simplify (/ -300 -10) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (* 0 (+ 10 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- d2 10)) (+ (* (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) (/ 0 (- d2 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 1) (* 0 0)) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 20 -10) (+ (* 30 (/ 1 -10)))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (* 0 20)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- d2 10)) (+ (* (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) (/ 0 (- d2 10))) (* 0 (/ 0 (- d2 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 -10) (+ (* 30 (/ 0 -10)) (* 1 (/ 1 -10)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 d2)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 20))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300)))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- d2 10)) (+ (* (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) (/ 0 (- d2 10))) (* 0 (/ 0 (- d2 10))) (* 0 (/ 0 (- d2 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* d2 d1)) (* 30 (* 1 d1))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) (- (+ 10 (/ 1 d2)) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) (- (+ 10 (/ 1 d2)) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) 1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (/ 1 d1) 1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) (- (+ 10 (/ 1 d2)) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 d2)) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (+ 10 (/ 1 d2)) (+ 10 (/ 1 d2))) into (sqr (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 (/ 1 d2))) -400) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (* 1 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (+ 10 (/ 1 d2)) -20) into (- (/ 1 d2) 10)
* [misc]backup-simplify:  Simplify (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) into (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) (- (+ 10 (/ 1 d2)) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 d2)) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (+ 10 (/ 1 d2)) (+ 10 (/ 1 d2))) into (sqr (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 (/ 1 d2))) -400) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (* 1 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (+ 10 (/ 1 d2)) -20) into (- (/ 1 d2) 10)
* [misc]backup-simplify:  Simplify (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) into (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) in d2
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* 20 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) 10) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (* 0 (+ 10 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (/ 1 d2) 10)) (+ (* (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) (/ 0 (- (/ 1 d2) 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (* 20 1) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 10) into -10
* [misc]backup-simplify:  Simplify (+ 0 -10) into -10
* [misc]backup-simplify:  Simplify (- (/ 20 1) (+ (* 1 (/ -10 1)))) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (+ (* 0 0) (* 0 (+ 10 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (/ 1 d2) 10)) (+ (* (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ -300 1) (+ (* 1 (/ 0 1)) (* 30 (/ -10 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 (/ 1 d2)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (* 0 20)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (/ 1 d2) 10)) (+ (* (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 30 (/ 0 1)) (* 0 (/ -10 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 (/ 1 d2))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 20))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (/ 1 d2) 10)) (+ (* (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 30 (* 1 (/ 1 (/ 1 d1)))) (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1))))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) (- (+ 10 (/ 1 (- d2))) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) (- (+ 10 (/ 1 (- d2))) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) 1) into (/ -1 d1)
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 d1) -1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) (- (+ 10 (/ 1 (- d2))) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 (- d2))) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (- 10 (/ 1 d2)) (- 10 (/ 1 d2))) into (sqr (- 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (- 10 (/ 1 d2))) -400) into (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) into (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (- 10 (/ 1 d2)) -20) into (- (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (/ (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) (- (+ 10 (/ 1 d2)))) into (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) (- (+ 10 (/ 1 (- d2))) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 (- d2))) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (- 10 (/ 1 d2)) (- 10 (/ 1 d2))) into (sqr (- 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (- 10 (/ 1 d2))) -400) into (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) into (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (- 10 (/ 1 d2)) -20) into (- (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (/ (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) (- (+ 10 (/ 1 d2)))) into (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 300 (* 20 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]taylor:  Taking taylor expansion of (* 20 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (* 0 (- 10 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (+ 10 (/ 1 d2)))) (+ (* (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) (/ 0 (- (+ 10 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (* 20 1) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ 0 -20) into -20
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (- (/ -20 1) (+ (* 1 (/ 10 1)))) into -30
* [misc]backup-simplify:  Simplify -30 into -30
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (+ (* 0 0) (* 0 (- 10 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (+ 10 (/ 1 d2)))) (+ (* (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 300 0) into 300
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ -300 1) (+ (* 1 (/ 0 1)) (* -30 (/ 10 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 10 (/ 1 d2)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (* 0 20)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (+ 10 (/ 1 d2)))) (+ (* (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* -30 (/ 0 1)) (* 0 (/ 10 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 10 (/ 1 d2))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 20))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (+ 10 (/ 1 d2)))) (+ (* (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* -30 (* 1 (/ 1 (/ 1 (- d1))))) (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1)))))) into (+ (* 30 d1) (* d1 d2))
* * * * [misc]progress:  [ 2 / 4 ] generating series at (2 1)
* [misc]approximate:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (* (+ 10 d2) (+ 10 d2)) into (sqr (+ 10 d2))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 d2)) -400) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (* 0 (- (+ (sqr d2) (* 20 d2)) 300)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (* 0 (+ 10 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- (+ (sqr d2) (* 20 d2)) 300))) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]taylor:  Taking taylor expansion of (- (+ (sqr d2) (* 20 d2)) 300) in d2
* [misc]taylor:  Taking taylor expansion of (+ (sqr d2) (* 20 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* 20 d2) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* 20 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (* 0 (+ 10 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 1) (* 0 0)) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (* 0 20)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* (sqr d2) d1)) (+ (* 20 (* d2 d1)) (* -300 (* 1 d1)))) into (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (+ 10 (/ 1 d2)) (+ 10 (/ 1 d2))) into (sqr (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 (/ 1 d2))) -400) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (* 1 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* 20 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (* 0 (+ 10 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (* 20 1) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (+ (* 0 0) (* 0 (+ 10 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify (+ (* -300 (* 1 (/ 1 (/ 1 d1)))) (+ (* 20 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))) (* 1 (* (/ 1 (sqr (/ 1 d2))) (/ 1 (/ 1 d1)))))) into (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (- 10 (/ 1 d2)) (- 10 (/ 1 d2))) into (sqr (- 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (- 10 (/ 1 d2))) -400) into (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) into (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))
* [misc]taylor:  Taking taylor expansion of (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) in d2
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 300 (* 20 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]taylor:  Taking taylor expansion of (* 20 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* -1 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (* 0 (- 10 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (* 20 1) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ 0 -20) into -20
* [misc]backup-simplify:  Simplify (+ (* -1 -20) (* 0 1)) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (+ (* 0 0) (* 0 (- 10 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 300 0) into 300
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify (+ (* -1 -300) (+ (* 0 -20) (* 0 1))) into 300
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]backup-simplify:  Simplify (+ (* 300 (* 1 (/ 1 (/ 1 (- d1))))) (+ (* 20 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))) (* -1 (* (/ 1 (sqr (/ 1 (- d2)))) (/ 1 (/ 1 (- d1))))))) into (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1))
* * * * [misc]progress:  [ 3 / 4 ] generating series at (2 1 2 1)
* [misc]approximate:  Taking taylor expansion of (sqr (+ 10 d2)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (* 10 10) into 100
* [misc]backup-simplify:  Simplify 100 into 100
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 10 1) (* 1 10)) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 10 0) (+ (* 1 1) (* 0 10))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr d2)) (+ (* 20 d2) 100)) into (+ 100 (+ (sqr d2) (* 20 d2)))
* [misc]approximate:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ (* 1 10) (* 10 1)) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 10 10) (* 0 1))) into 100
* [misc]backup-simplify:  Simplify 100 into 100
* [misc]backup-simplify:  Simplify (+ 100 (+ (* 20 (/ 1 (/ 1 d2))) (* 1 (sqr (/ 1 (/ 1 d2)))))) into (+ 100 (+ (sqr d2) (* 20 d2)))
* [misc]approximate:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ (* -1 10) (* 10 -1)) into -20
* [misc]backup-simplify:  Simplify -20 into -20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 10 10) (* 0 -1))) into 100
* [misc]backup-simplify:  Simplify 100 into 100
* [misc]backup-simplify:  Simplify (+ 100 (+ (* -20 (/ 1 (/ 1 (- d2)))) (* 1 (sqr (/ 1 (/ 1 (- d2))))))) into (+ 100 (+ (sqr d2) (* 20 d2)))
* * * * [misc]progress:  [ 4 / 4 ] generating series at (2 1 2)
* [misc]approximate:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (* 10 10) into 100
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ 100 -400) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 10 1) (* 1 10)) into 20
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 10 0) (+ (* 1 1) (* 0 10))) into 1
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr d2)) (+ (* 20 d2) -300)) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]approximate:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ (* 1 10) (* 10 1)) into 20
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 10 10) (* 0 1))) into 100
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ 100 -400) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify (+ -300 (+ (* 20 (/ 1 (/ 1 d2))) (* 1 (sqr (/ 1 (/ 1 d2)))))) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]approximate:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ (* -1 10) (* 10 -1)) into -20
* [misc]backup-simplify:  Simplify (+ -20 0) into -20
* [misc]backup-simplify:  Simplify -20 into -20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 10 10) (* 0 -1))) into 100
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ 100 -400) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify (+ -300 (+ (* -20 (/ 1 (/ 1 (- d2)))) (* 1 (sqr (/ 1 (/ 1 (- d2))))))) into (- (+ (sqr d2) (* 20 d2)) 300)
* * * [misc]progress:  generating rewritten candidates
* * * * [misc]progress:  [ 1 / 4 ] rewriting at (2)
* * * * [misc]progress:  [ 2 / 4 ] rewriting at (2 1)
* * * * [misc]progress:  [ 3 / 4 ] rewriting at (2 1 2 1)
* * * * [misc]progress:  [ 4 / 4 ] rewriting at (2 1 2)
* * * [misc]progress:  simplifying candidates
* * * * [misc]progress:  [ 1 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (+ (* 30 d1) (* d1 d2)))>
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 2 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (+ (* 30 d1) (* d1 d2)))>
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 3 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (+ (* 30 d1) (* d1 d2)))>
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* * * * [misc]progress:  [ 4 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (71 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (122 enodes)
* [exit]simplify:  Simplified to (/ (- (* (+ 20 d2) (* d2 d1)) (* d1 300)) (- (+ 10 d2) 20))
* * * * [misc]progress:  [ 5 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (71 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (122 enodes)
* [exit]simplify:  Simplified to (/ (- (* (+ 20 d2) (* d2 d1)) (* d1 300)) (- (+ 10 d2) 20))
* * * * [misc]progress:  [ 6 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (30 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (71 enodes)
* * [misc]simplify:  iters left: 2 (91 enodes)
* * [misc]simplify:  iters left: 1 (122 enodes)
* [exit]simplify:  Simplified to (/ (- (* (+ 20 d2) (* d2 d1)) (* d1 300)) (- (+ 10 d2) 20))
* * * * [misc]progress:  [ 7 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (86 enodes)
* * [misc]simplify:  iters left: 2 (158 enodes)
* * [misc]simplify:  iters left: 1 (253 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20))))
* * * * [misc]progress:  [ 8 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (86 enodes)
* * [misc]simplify:  iters left: 2 (158 enodes)
* * [misc]simplify:  iters left: 1 (253 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20))))
* * * * [misc]progress:  [ 9 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (15 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (44 enodes)
* * [misc]simplify:  iters left: 3 (86 enodes)
* * [misc]simplify:  iters left: 2 (158 enodes)
* * [misc]simplify:  iters left: 1 (253 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20))))
* * * * [misc]progress:  [ 10 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (99 enodes)
* * [misc]simplify:  iters left: 1 (147 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (+ 10 (- d2 20))) (- (* (+ d2 20) d2) 300))
* * * * [misc]progress:  [ 11 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (99 enodes)
* * [misc]simplify:  iters left: 1 (147 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (+ 10 (- d2 20))) (- (* (+ d2 20) d2) 300))
* * * * [misc]progress:  [ 12 / 73 ] simplifiying candidate #<alt-event (λ (d1 d2) (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (65 enodes)
* * [misc]simplify:  iters left: 2 (99 enodes)
* * [misc]simplify:  iters left: 1 (147 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (+ 10 (- d2 20))) (- (* (+ d2 20) d2) 300))
* * * * [misc]progress:  [ 13 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (pow (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) 1))>
* * * * [misc]progress:  [ 14 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (exp (- (log (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (log (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (- (log (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (log (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (51 enodes)
* * [misc]simplify:  iters left: 3 (160 enodes)
* * [misc]simplify:  iters left: 2 (334 enodes)
* * [misc]simplify:  iters left: 1 (442 enodes)
* [exit]simplify:  Simplified to (log (* d1 (+ (+ 10 20) d2)))
* [exit]simplify:  Simplified to (log (* d1 (+ (+ 10 20) d2)))
* * * * [misc]progress:  [ 15 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (exp (log (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (log (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (56 enodes)
* * [misc]simplify:  iters left: 3 (177 enodes)
* * [misc]simplify:  iters left: 2 (367 enodes)
* [exit]simplify:  Simplified to (+ (+ (log d1) (log (+ 10 (+ d2 20)))) 0)
* [exit]simplify:  Simplified to (+ (+ (log d1) (log (+ 10 (+ d2 20)))) 0)
* * * * [misc]progress:  [ 16 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (log (exp (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (exp (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (163 enodes)
* * [misc]simplify:  iters left: 2 (336 enodes)
* * [misc]simplify:  iters left: 1 (469 enodes)
* [exit]simplify:  Simplified to (exp (/ (* (+ (- d2 20) 10) d1) (/ (+ (- d2 20) 10) (+ 20 (+ d2 10)))))
* [exit]simplify:  Simplified to (exp (/ (* (+ (- d2 20) 10) d1) (/ (+ (- d2 20) 10) (+ 20 (+ d2 10)))))
* * * * [misc]progress:  [ 17 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (cbrt (/ (cube (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (cube (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (/ (cube (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (cube (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (28 enodes)
* * [misc]simplify:  iters left: 4 (66 enodes)
* * [misc]simplify:  iters left: 3 (220 enodes)
* [exit]simplify:  Simplified to (/ (cube (- (* (+ d2 10) (+ d2 10)) (* 20 20))) (/ (* (- (+ d2 10) 20) (- (+ d2 10) 20)) (/ (cube d1) (- (+ d2 10) 20))))
* [exit]simplify:  Simplified to (/ (cube (- (* (+ d2 10) (+ d2 10)) (* 20 20))) (/ (* (- (+ d2 10) 20) (- (+ d2 10) 20)) (/ (cube d1) (- (+ d2 10) 20))))
* * * * [misc]progress:  [ 18 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (cube (cbrt (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (cbrt (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (163 enodes)
* * [misc]simplify:  iters left: 2 (332 enodes)
* * [misc]simplify:  iters left: 1 (464 enodes)
* [exit]simplify:  Simplified to (cbrt (/ (* (+ (- d2 20) 10) d1) (/ (+ (- d2 20) 10) (+ 20 (+ d2 10)))))
* [exit]simplify:  Simplified to (cbrt (/ (* (+ (- d2 20) 10) d1) (/ (+ (- d2 20) 10) (+ 20 (+ d2 10)))))
* * * * [misc]progress:  [ 19 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (cbrt (cube (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (cube (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (27 enodes)
* * [misc]simplify:  iters left: 4 (74 enodes)
* * [misc]simplify:  iters left: 3 (232 enodes)
* [exit]simplify:  Simplified to (cube (/ (* (- (+ d2 10) 20) d1) (/ (- (+ d2 10) 20) (+ d2 (+ 10 20)))))
* [exit]simplify:  Simplified to (cube (/ (* (- (+ d2 10) 20) d1) (/ (- (+ d2 10) 20) (+ d2 (+ 10 20)))))
* * * * [misc]progress:  [ 20 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (cube (/ (cbrt (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (cbrt (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (/ (cbrt (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (cbrt (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (144 enodes)
* * [misc]simplify:  iters left: 2 (308 enodes)
* * [misc]simplify:  iters left: 1 (397 enodes)
* [exit]simplify:  Simplified to (/ (cbrt (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1)) (cbrt (- (+ d2 10) 20)))
* [exit]simplify:  Simplified to (/ (cbrt (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1)) (cbrt (- (+ d2 10) 20)))
* * * * [misc]progress:  [ 21 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (sqr (sqrt (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (sqrt (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (163 enodes)
* * [misc]simplify:  iters left: 2 (332 enodes)
* * [misc]simplify:  iters left: 1 (464 enodes)
* [exit]simplify:  Simplified to (sqrt (/ (* (+ (- d2 20) 10) d1) (/ (+ (- d2 20) 10) (+ 20 (+ d2 10)))))
* [exit]simplify:  Simplified to (sqrt (/ (* (+ (- d2 20) 10) d1) (/ (+ (- d2 20) 10) (+ 20 (+ d2 10)))))
* * * * [misc]progress:  [ 22 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (sqr (/ (sqrt (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (sqrt (- (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (/ (sqrt (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (sqrt (- (+ 10 d2) 20)))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (144 enodes)
* * [misc]simplify:  iters left: 2 (308 enodes)
* * [misc]simplify:  iters left: 1 (397 enodes)
* [exit]simplify:  Simplified to (/ (sqrt (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1)) (sqrt (- (+ d2 10) 20)))
* [exit]simplify:  Simplified to (/ (sqrt (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1)) (sqrt (- (+ d2 10) 20)))
* * * * [misc]progress:  [ 23 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (- (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (- (- (+ 10 d2) 20))))>
* [enter]simplify:  Simplifying (- (* d1 (- (sqr (+ 10 d2)) (sqr 20))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (21 enodes)
* * [misc]simplify:  iters left: 4 (45 enodes)
* * [misc]simplify:  iters left: 3 (152 enodes)
* * [misc]simplify:  iters left: 2 (499 enodes)
* [exit]simplify:  Simplified to (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) (- d1))
* [exit]simplify:  Simplified to (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) (- d1))
* [enter]simplify:  Simplifying (- (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (6 enodes)
* * [misc]simplify:  iters left: 5 (9 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (18 enodes)
* * [misc]simplify:  iters left: 2 (22 enodes)
* * [misc]simplify:  iters left: 1 (25 enodes)
* [exit]simplify:  Simplified to (- (- d2 (- 20 10)))
* [exit]simplify:  Simplified to (- (- d2 (- 20 10)))
* * * * [misc]progress:  [ 24 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* (/ d1 1) (/ (- (sqr (+ 10 d2)) (sqr 20)) (- (+ 10 d2) 20))))>
* [enter]simplify:  Simplifying (/ d1 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to (/ d1 1)
* [exit]simplify:  Simplified to (/ d1 1)
* [enter]simplify:  Simplifying (/ (- (sqr (+ 10 d2)) (sqr 20)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (45 enodes)
* * [misc]simplify:  iters left: 3 (136 enodes)
* * [misc]simplify:  iters left: 2 (291 enodes)
* * [misc]simplify:  iters left: 1 (378 enodes)
* [exit]simplify:  Simplified to (/ (+ d2 (+ 20 10)) 1)
* [exit]simplify:  Simplified to (/ (+ d2 (+ 20 10)) 1)
* * * * [misc]progress:  [ 25 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* 1 (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20))))>
* * * * [misc]progress:  [ 26 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (/ 1 (- (+ 10 d2) 20))))>
* [enter]simplify:  Simplifying (/ 1 (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (12 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (17 enodes)
* * [misc]simplify:  iters left: 2 (18 enodes)
* * [misc]simplify:  iters left: 1 (20 enodes)
* [exit]simplify:  Simplified to (/ 1 (+ (- 10 20) d2))
* [exit]simplify:  Simplified to (/ 1 (+ (- 10 20) d2))
* * * * [misc]progress:  [ 27 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ 1 (/ (- (+ 10 d2) 20) (* d1 (- (sqr (+ 10 d2)) (sqr 20))))))>
* [enter]simplify:  Simplifying (/ (- (+ 10 d2) 20) (* d1 (- (sqr (+ 10 d2)) (sqr 20))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (24 enodes)
* * [misc]simplify:  iters left: 4 (49 enodes)
* * [misc]simplify:  iters left: 3 (150 enodes)
* * [misc]simplify:  iters left: 2 (314 enodes)
* * [misc]simplify:  iters left: 1 (425 enodes)
* [exit]simplify:  Simplified to (/ (/ (+ (- d2 20) 10) d1) (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [exit]simplify:  Simplified to (/ (/ (+ (- d2 20) 10) d1) (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* * * * [misc]progress:  [ 28 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) 1) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) 1)
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (126 enodes)
* * [misc]simplify:  iters left: 2 (342 enodes)
* [exit]simplify:  Simplified to (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) (/ d1 1))
* [exit]simplify:  Simplified to (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) (/ d1 1))
* * * * [misc]progress:  [ 29 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ d1 (/ (- (+ 10 d2) 20) (- (sqr (+ 10 d2)) (sqr 20)))))>
* [enter]simplify:  Simplifying (/ (- (+ 10 d2) 20) (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (45 enodes)
* * [misc]simplify:  iters left: 3 (125 enodes)
* * [misc]simplify:  iters left: 2 (271 enodes)
* * [misc]simplify:  iters left: 1 (360 enodes)
* [exit]simplify:  Simplified to (/ 1 (+ d2 (+ 20 10)))
* [exit]simplify:  Simplified to (/ 1 (+ d2 (+ 20 10)))
* * * * [misc]progress:  [ 30 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (pow (+ 10 d2) 3) (pow 20 3))) (+ (sqr (+ 10 d2)) (+ (sqr 20) (* (+ 10 d2) 20)))))>
* [enter]simplify:  Simplifying (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (pow (+ 10 d2) 3) (pow 20 3)))
* * [misc]simplify:  iters left: 6 (14 enodes)
* * [misc]simplify:  iters left: 5 (25 enodes)
* * [misc]simplify:  iters left: 4 (51 enodes)
* * [misc]simplify:  iters left: 3 (173 enodes)
* * [misc]simplify:  iters left: 2 (468 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (- (cube (+ d2 10)) (cube 20))) (- (* (+ d2 10) (+ d2 10)) (* 20 20)))
* [exit]simplify:  Simplified to (* (/ d1 (- (cube (+ d2 10)) (cube 20))) (- (* (+ d2 10) (+ d2 10)) (* 20 20)))
* * * * [misc]progress:  [ 31 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (* (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (sqr (+ 10 d2)) (sqr 20))) (+ (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (53 enodes)
* * [misc]simplify:  iters left: 3 (169 enodes)
* * [misc]simplify:  iters left: 2 (446 enodes)
* [exit]simplify:  Simplified to (/ d1 1)
* [exit]simplify:  Simplified to (/ d1 1)
* * * * [misc]progress:  [ 32 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (pow (sqr (+ 10 d2)) 3) (pow (sqr 20) 3))) (* (- (+ 10 d2) 20) (+ (sqr (sqr (+ 10 d2))) (+ (sqr (sqr 20)) (* (sqr (+ 10 d2)) (sqr 20)))))))>
* [enter]simplify:  Simplifying (* (- (+ 10 d2) 20) (+ (sqr (sqr (+ 10 d2))) (+ (sqr (sqr 20)) (* (sqr (+ 10 d2)) (sqr 20)))))
* * [misc]simplify:  iters left: 6 (13 enodes)
* * [misc]simplify:  iters left: 5 (31 enodes)
* * [misc]simplify:  iters left: 4 (87 enodes)
* * [misc]simplify:  iters left: 3 (329 enodes)
* [exit]simplify:  Simplified to (+ (* (+ (- d2 20) 10) (* (* (+ 10 d2) (+ 10 d2)) (* (+ 10 d2) (+ 10 d2)))) (* (* (+ (- d2 20) 10) (* 20 20)) (+ (* (+ 10 d2) (+ 10 d2)) (* 20 20))))
* [exit]simplify:  Simplified to (+ (* (+ (- d2 20) 10) (* (* (+ 10 d2) (+ 10 d2)) (* (+ 10 d2) (+ 10 d2)))) (* (* (+ (- d2 20) 10) (* 20 20)) (+ (* (+ 10 d2) (+ 10 d2)) (* 20 20))))
* * * * [misc]progress:  [ 33 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (sqr (sqr (+ 10 d2))) (sqr (sqr 20)))) (* (- (+ 10 d2) 20) (+ (sqr (+ 10 d2)) (sqr 20)))))>
* [enter]simplify:  Simplifying (* (- (+ 10 d2) 20) (+ (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (59 enodes)
* * [misc]simplify:  iters left: 3 (182 enodes)
* * [misc]simplify:  iters left: 2 (383 enodes)
* [exit]simplify:  Simplified to (* (+ (* 20 20) (* (+ 10 d2) (+ 10 d2))) (+ 10 (- d2 20)))
* [exit]simplify:  Simplified to (* (+ (* 20 20) (* (+ 10 d2) (+ 10 d2))) (+ 10 (- d2 20)))
* * * * [misc]progress:  [ 34 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (pow (* d1 (- (sqr (+ 10 d2)) (sqr 20))) 1) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 35 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (exp (log (* d1 (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (log (* d1 (- (sqr (+ 10 d2)) (sqr 20))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (127 enodes)
* * [misc]simplify:  iters left: 2 (344 enodes)
* * [misc]simplify:  iters left: 1 (480 enodes)
* [exit]simplify:  Simplified to (log (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1))
* [exit]simplify:  Simplified to (log (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1))
* * * * [misc]progress:  [ 36 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (log (exp (* d1 (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (exp (* d1 (- (sqr (+ 10 d2)) (sqr 20))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (19 enodes)
* * [misc]simplify:  iters left: 4 (38 enodes)
* * [misc]simplify:  iters left: 3 (117 enodes)
* * [misc]simplify:  iters left: 2 (328 enodes)
* * [misc]simplify:  iters left: 1 (462 enodes)
* [exit]simplify:  Simplified to (pow (exp d1) (- (* (+ d2 10) (+ d2 10)) (* 20 20)))
* [exit]simplify:  Simplified to (pow (exp d1) (- (* (+ d2 10) (+ d2 10)) (* 20 20)))
* * * * [misc]progress:  [ 37 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (cube (cbrt (* d1 (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (cbrt (* d1 (- (sqr (+ 10 d2)) (sqr 20))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (326 enodes)
* * [misc]simplify:  iters left: 1 (460 enodes)
* [exit]simplify:  Simplified to (cbrt (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1))
* [exit]simplify:  Simplified to (cbrt (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1))
* * * * [misc]progress:  [ 38 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (cbrt (cube (* d1 (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (cube (* d1 (- (sqr (+ 10 d2)) (sqr 20))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (22 enodes)
* * [misc]simplify:  iters left: 4 (50 enodes)
* * [misc]simplify:  iters left: 3 (147 enodes)
* * [misc]simplify:  iters left: 2 (446 enodes)
* [exit]simplify:  Simplified to (cube (* (- (+ d2 10) 20) (* d1 (+ 20 (+ d2 10)))))
* [exit]simplify:  Simplified to (cube (* (- (+ d2 10) 20) (* d1 (+ 20 (+ d2 10)))))
* * * * [misc]progress:  [ 39 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (sqr (sqrt (* d1 (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (sqrt (* d1 (- (sqr (+ 10 d2)) (sqr 20))))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (36 enodes)
* * [misc]simplify:  iters left: 3 (115 enodes)
* * [misc]simplify:  iters left: 2 (326 enodes)
* * [misc]simplify:  iters left: 1 (460 enodes)
* [exit]simplify:  Simplified to (sqrt (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1))
* [exit]simplify:  Simplified to (sqrt (* (- (* (+ d2 10) (+ d2 10)) (* 20 20)) d1))
* * * * [misc]progress:  [ 40 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* 1 (* d1 (- (sqr (+ 10 d2)) (sqr 20)))) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 41 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (+ (* d1 (sqr (+ 10 d2))) (* d1 (- (sqr 20)))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* d1 (sqr (+ 10 d2)))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (65 enodes)
* * [misc]simplify:  iters left: 1 (141 enodes)
* [exit]simplify:  Simplified to (* d1 (* (+ d2 10) (+ d2 10)))
* [exit]simplify:  Simplified to (* d1 (* (+ d2 10) (+ d2 10)))
* [enter]simplify:  Simplifying (* d1 (- (sqr 20)))
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (* (- 20) (* 20 d1))
* [exit]simplify:  Simplified to (* (- 20) (* 20 d1))
* * * * [misc]progress:  [ 42 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (+ (* (sqr (+ 10 d2)) d1) (* (- (sqr 20)) d1)) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* (sqr (+ 10 d2)) d1)
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (65 enodes)
* * [misc]simplify:  iters left: 1 (141 enodes)
* [exit]simplify:  Simplified to (* (+ 10 d2) (* d1 (+ 10 d2)))
* [exit]simplify:  Simplified to (* (+ 10 d2) (* d1 (+ 10 d2)))
* [enter]simplify:  Simplifying (* (- (sqr 20)) d1)
* * [misc]simplify:  iters left: 5 (5 enodes)
* * [misc]simplify:  iters left: 4 (9 enodes)
* * [misc]simplify:  iters left: 3 (16 enodes)
* * [misc]simplify:  iters left: 2 (25 enodes)
* * [misc]simplify:  iters left: 1 (30 enodes)
* [exit]simplify:  Simplified to (* (- d1) (sqr 20))
* [exit]simplify:  Simplified to (* (- d1) (sqr 20))
* * * * [misc]progress:  [ 43 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* (* d1 1) (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* d1 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to d1
* [exit]simplify:  Simplified to d1
* * * * [misc]progress:  [ 44 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* (* d1 (+ (+ 10 d2) 20)) (- (+ 10 d2) 20)) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* d1 (+ (+ 10 d2) 20))
* * [misc]simplify:  iters left: 6 (7 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (32 enodes)
* * [misc]simplify:  iters left: 3 (42 enodes)
* * [misc]simplify:  iters left: 2 (52 enodes)
* * [misc]simplify:  iters left: 1 (57 enodes)
* [exit]simplify:  Simplified to (* d1 (+ (+ 20 10) d2))
* [exit]simplify:  Simplified to (* d1 (+ (+ 20 10) d2))
* * * * [misc]progress:  [ 45 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* (* d1 1) (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* d1 1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (5 enodes)
* [exit]simplify:  Simplified to d1
* [exit]simplify:  Simplified to d1
* * * * [misc]progress:  [ 46 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (/ (* d1 (- (pow (sqr (+ 10 d2)) 3) (pow (sqr 20) 3))) (+ (sqr (sqr (+ 10 d2))) (+ (sqr (sqr 20)) (* (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* d1 (- (pow (sqr (+ 10 d2)) 3) (pow (sqr 20) 3)))
* * [misc]simplify:  iters left: 6 (12 enodes)
* * [misc]simplify:  iters left: 5 (18 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (74 enodes)
* * [misc]simplify:  iters left: 2 (178 enodes)
* * [misc]simplify:  iters left: 1 (408 enodes)
* [exit]simplify:  Simplified to (* (+ (cube (+ d2 10)) (cube 20)) (* (- (cube (+ d2 10)) (cube 20)) d1))
* [exit]simplify:  Simplified to (* (+ (cube (+ d2 10)) (cube 20)) (* (- (cube (+ d2 10)) (cube 20)) d1))
* * * * [misc]progress:  [ 47 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (/ (* d1 (- (sqr (sqr (+ 10 d2))) (sqr (sqr 20)))) (+ (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (* d1 (- (sqr (sqr (+ 10 d2))) (sqr (sqr 20))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (39 enodes)
* * [misc]simplify:  iters left: 3 (132 enodes)
* * [misc]simplify:  iters left: 2 (432 enodes)
* [exit]simplify:  Simplified to (* (* d1 (- (* (+ d2 10) (+ d2 10)) (sqr 20))) (+ (sqr 20) (* (+ d2 10) (+ d2 10))))
* [exit]simplify:  Simplified to (* (* d1 (- (* (+ d2 10) (+ d2 10)) (sqr 20))) (+ (sqr 20) (* (+ d2 10) (+ d2 10))))
* * * * [misc]progress:  [ 48 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* (- (sqr (+ 10 d2)) (sqr 20)) d1) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 49 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (pow (+ 10 d2) 2) (sqr 20))) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 50 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (pow (sqr (+ 10 d2)) 1) (sqr 20))) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 51 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (exp (log (sqr (+ 10 d2)))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (log (sqr (+ 10 d2)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (29 enodes)
* [exit]simplify:  Simplified to (+ (log (+ 10 d2)) (log (+ 10 d2)))
* [exit]simplify:  Simplified to (+ (log (+ 10 d2)) (log (+ 10 d2)))
* * * * [misc]progress:  [ 52 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (log (exp (sqr (+ 10 d2)))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (exp (sqr (+ 10 d2)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (41 enodes)
* [exit]simplify:  Simplified to (exp (* (+ 10 d2) (+ 10 d2)))
* [exit]simplify:  Simplified to (exp (* (+ 10 d2) (+ 10 d2)))
* * * * [misc]progress:  [ 53 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (cube (cbrt (sqr (+ 10 d2)))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (cbrt (sqr (+ 10 d2)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (27 enodes)
* [exit]simplify:  Simplified to (cbrt (* (+ 10 d2) (+ 10 d2)))
* [exit]simplify:  Simplified to (cbrt (* (+ 10 d2) (+ 10 d2)))
* * * * [misc]progress:  [ 54 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (cbrt (cube (sqr (+ 10 d2)))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (cube (sqr (+ 10 d2)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (23 enodes)
* * [misc]simplify:  iters left: 1 (71 enodes)
* [exit]simplify:  Simplified to (cube (* (+ 10 d2) (+ 10 d2)))
* [exit]simplify:  Simplified to (cube (* (+ 10 d2) (+ 10 d2)))
* * * * [misc]progress:  [ 55 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (sqr (sqrt (sqr (+ 10 d2)))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (sqrt (sqr (+ 10 d2)))
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (16 enodes)
* * [misc]simplify:  iters left: 1 (28 enodes)
* [exit]simplify:  Simplified to (fabs (+ 10 d2))
* [exit]simplify:  Simplified to (fabs (+ 10 d2))
* * * * [misc]progress:  [ 56 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (* (sqr 1) (sqr (+ 10 d2))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (sqr 1)
* * [misc]simplify:  iters left: 1 (2 enodes)
* [exit]simplify:  Simplified to (sqr 1)
* [exit]simplify:  Simplified to (sqr 1)
* [enter]simplify:  Simplifying (sqr (+ 10 d2))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (6 enodes)
* * [misc]simplify:  iters left: 1 (14 enodes)
* [exit]simplify:  Simplified to (* (+ 10 d2) (+ 10 d2))
* [exit]simplify:  Simplified to (* (+ 10 d2) (+ 10 d2))
* * * * [misc]progress:  [ 57 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (/ (sqr (- (pow 10 3) (pow d2 3))) (sqr (+ (sqr 10) (- (sqr d2) (* 10 d2))))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (sqr (- (pow 10 3) (pow d2 3)))
* * [misc]simplify:  iters left: 4 (7 enodes)
* * [misc]simplify:  iters left: 3 (10 enodes)
* * [misc]simplify:  iters left: 2 (14 enodes)
* * [misc]simplify:  iters left: 1 (18 enodes)
* [exit]simplify:  Simplified to (* (- (cube 10) (cube d2)) (- (cube 10) (cube d2)))
* [exit]simplify:  Simplified to (* (- (cube 10) (cube d2)) (- (cube 10) (cube d2)))
* [enter]simplify:  Simplifying (sqr (+ (sqr 10) (- (sqr d2) (* 10 d2))))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (28 enodes)
* * [misc]simplify:  iters left: 3 (50 enodes)
* * [misc]simplify:  iters left: 2 (95 enodes)
* * [misc]simplify:  iters left: 1 (151 enodes)
* [exit]simplify:  Simplified to (sqr (+ (sqr 10) (* d2 (- d2 10))))
* [exit]simplify:  Simplified to (sqr (+ (sqr 10) (* d2 (- d2 10))))
* * * * [misc]progress:  [ 58 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (/ (sqr (- (sqr 10) (sqr d2))) (sqr (- 10 d2))) (sqr 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (sqr (- (sqr 10) (sqr d2)))
* * [misc]simplify:  iters left: 4 (6 enodes)
* * [misc]simplify:  iters left: 3 (12 enodes)
* * [misc]simplify:  iters left: 2 (19 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (* (* (+ 10 d2) (- 10 d2)) (* (+ 10 d2) (- 10 d2)))
* [exit]simplify:  Simplified to (* (* (+ 10 d2) (- 10 d2)) (* (+ 10 d2) (- 10 d2)))
* [enter]simplify:  Simplifying (sqr (- 10 d2))
* * [misc]simplify:  iters left: 3 (4 enodes)
* * [misc]simplify:  iters left: 2 (5 enodes)
* [exit]simplify:  Simplified to (* (- 10 d2) (- 10 d2))
* [exit]simplify:  Simplified to (* (- 10 d2) (- 10 d2))
* * * * [misc]progress:  [ 59 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (* (+ 10 d2) (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 60 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (- (* 1 (sqr (+ 10 d2))) (sqr 20))) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 61 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (log (/ (exp (sqr (+ 10 d2))) (exp (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (/ (exp (sqr (+ 10 d2))) (exp (sqr 20)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (29 enodes)
* * [misc]simplify:  iters left: 3 (72 enodes)
* * [misc]simplify:  iters left: 2 (184 enodes)
* * [misc]simplify:  iters left: 1 (461 enodes)
* [exit]simplify:  Simplified to (exp (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [exit]simplify:  Simplified to (exp (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* * * * [misc]progress:  [ 62 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (pow (- (sqr (+ 10 d2)) (sqr 20)) 1)) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 63 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (exp (log (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (log (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (92 enodes)
* * [misc]simplify:  iters left: 2 (282 enodes)
* * [misc]simplify:  iters left: 1 (346 enodes)
* [exit]simplify:  Simplified to (log (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [exit]simplify:  Simplified to (log (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* * * * [misc]progress:  [ 64 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (log (exp (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (exp (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (40 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (365 enodes)
* [exit]simplify:  Simplified to (exp (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [exit]simplify:  Simplified to (exp (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* * * * [misc]progress:  [ 65 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (cube (cbrt (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (cbrt (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (88 enodes)
* * [misc]simplify:  iters left: 2 (278 enodes)
* * [misc]simplify:  iters left: 1 (342 enodes)
* [exit]simplify:  Simplified to (cbrt (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [exit]simplify:  Simplified to (cbrt (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* * * * [misc]progress:  [ 66 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (cbrt (cube (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (cube (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (41 enodes)
* * [misc]simplify:  iters left: 3 (137 enodes)
* [exit]simplify:  Simplified to (cube (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [exit]simplify:  Simplified to (cube (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* * * * [misc]progress:  [ 67 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (sqr (sqrt (- (sqr (+ 10 d2)) (sqr 20))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (sqrt (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (8 enodes)
* * [misc]simplify:  iters left: 5 (14 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (88 enodes)
* * [misc]simplify:  iters left: 2 (278 enodes)
* * [misc]simplify:  iters left: 1 (342 enodes)
* [exit]simplify:  Simplified to (sqrt (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [exit]simplify:  Simplified to (sqrt (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* * * * [misc]progress:  [ 68 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (+ (sqr (+ 10 d2)) (- (sqr 20)))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (- (sqr 20))
* * [misc]simplify:  iters left: 3 (3 enodes)
* * [misc]simplify:  iters left: 2 (4 enodes)
* * [misc]simplify:  iters left: 1 (7 enodes)
* [exit]simplify:  Simplified to (* 20 (- 20))
* [exit]simplify:  Simplified to (* 20 (- 20))
* * * * [misc]progress:  [ 69 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (* 1 (- (sqr (+ 10 d2)) (sqr 20)))) (- (+ 10 d2) 20)))>
* * * * [misc]progress:  [ 70 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (/ (- (pow (sqr (+ 10 d2)) 3) (pow (sqr 20) 3)) (+ (sqr (sqr (+ 10 d2))) (+ (sqr (sqr 20)) (* (sqr (+ 10 d2)) (sqr 20)))))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (- (pow (sqr (+ 10 d2)) 3) (pow (sqr 20) 3))
* * [misc]simplify:  iters left: 6 (10 enodes)
* * [misc]simplify:  iters left: 5 (15 enodes)
* * [misc]simplify:  iters left: 4 (31 enodes)
* * [misc]simplify:  iters left: 3 (71 enodes)
* * [misc]simplify:  iters left: 2 (142 enodes)
* * [misc]simplify:  iters left: 1 (337 enodes)
* [exit]simplify:  Simplified to (* (- (cube (+ 10 d2)) (cube 20)) (+ (cube (+ 10 d2)) (cube 20)))
* [exit]simplify:  Simplified to (* (- (cube (+ 10 d2)) (cube 20)) (+ (cube (+ 10 d2)) (cube 20)))
* [enter]simplify:  Simplifying (+ (sqr (sqr (+ 10 d2))) (+ (sqr (sqr 20)) (* (sqr (+ 10 d2)) (sqr 20))))
* * [misc]simplify:  iters left: 6 (11 enodes)
* * [misc]simplify:  iters left: 5 (20 enodes)
* * [misc]simplify:  iters left: 4 (43 enodes)
* * [misc]simplify:  iters left: 3 (149 enodes)
* * [misc]simplify:  iters left: 2 (401 enodes)
* [exit]simplify:  Simplified to (+ (* (* (+ 10 d2) (+ 10 d2)) (* (+ 10 d2) (+ 10 d2))) (* (+ (* 20 20) (* (+ 10 d2) (+ 10 d2))) (* 20 20)))
* [exit]simplify:  Simplified to (+ (* (* (+ 10 d2) (+ 10 d2)) (* (+ 10 d2) (+ 10 d2))) (* (+ (* 20 20) (* (+ 10 d2) (+ 10 d2))) (* 20 20)))
* * * * [misc]progress:  [ 71 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (/ (- (sqr (sqr (+ 10 d2))) (sqr (sqr 20))) (+ (sqr (+ 10 d2)) (sqr 20)))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (- (sqr (sqr (+ 10 d2))) (sqr (sqr 20)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (17 enodes)
* * [misc]simplify:  iters left: 4 (34 enodes)
* * [misc]simplify:  iters left: 3 (117 enodes)
* * [misc]simplify:  iters left: 2 (358 enodes)
* [exit]simplify:  Simplified to (* (+ (* 20 20) (* (+ 10 d2) (+ 10 d2))) (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [exit]simplify:  Simplified to (* (+ (* 20 20) (* (+ 10 d2) (+ 10 d2))) (- (* (+ 10 d2) (+ 10 d2)) (* 20 20)))
* [enter]simplify:  Simplifying (+ (sqr (+ 10 d2)) (sqr 20))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (19 enodes)
* * [misc]simplify:  iters left: 2 (39 enodes)
* * [misc]simplify:  iters left: 1 (69 enodes)
* [exit]simplify:  Simplified to (+ (* 20 20) (* (+ 10 d2) (+ 10 d2)))
* [exit]simplify:  Simplified to (+ (* 20 20) (* (+ 10 d2) (+ 10 d2)))
* * * * [misc]progress:  [ 72 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (* (+ (+ 10 d2) 20) (- (+ 10 d2) 20))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (+ (+ 10 d2) 20)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (+ (+ 10 d2) 20)
* [exit]simplify:  Simplified to (+ (+ 10 d2) 20)
* [enter]simplify:  Simplifying (- (+ 10 d2) 20)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (+ 10 (- d2 20))
* [exit]simplify:  Simplified to (+ 10 (- d2 20))
* * * * [misc]progress:  [ 73 / 73 ] simplifiying candidate #<alt-delta (λ (d1 d2) (/ (* d1 (* 1 (- (sqr (+ 10 d2)) (sqr 20)))) (- (+ 10 d2) 20)))>
* [enter]simplify:  Simplifying (- (sqr (+ 10 d2)) (sqr 20))
* * [misc]simplify:  iters left: 5 (7 enodes)
* * [misc]simplify:  iters left: 4 (13 enodes)
* * [misc]simplify:  iters left: 3 (30 enodes)
* * [misc]simplify:  iters left: 2 (87 enodes)
* * [misc]simplify:  iters left: 1 (277 enodes)
* [exit]simplify:  Simplified to (- (* (+ 10 d2) (+ 10 d2)) (* 20 20))
* [exit]simplify:  Simplified to (- (* (+ 10 d2) (+ 10 d2)) (* 20 20))
* * * [misc]progress:  adding candidates to table
* * [misc]progress:  Final touches.
* * * [misc]progress:  tayloring alt 1 of 3
* [misc]approximate:  Taking taylor expansion of (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (* 10 10) into 100
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ 100 -400) into -300
* [misc]backup-simplify:  Simplify (* d1 -300) into (* -300 d1)
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ 10 -20) into -10
* [misc]backup-simplify:  Simplify (/ (* -300 d1) -10) into (* 30 d1)
* [misc]taylor:  Taking taylor expansion of (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 d2) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (* (+ 10 d2) (+ 10 d2)) into (sqr (+ 10 d2))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 d2)) -400) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (* 0 (- (+ (sqr d2) (* 20 d2)) 300)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (* 0 (+ 10 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- (+ (sqr d2) (* 20 d2)) 300))) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (+ 10 d2) -20) into (- d2 10)
* [misc]backup-simplify:  Simplify (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) into (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10))
* [misc]taylor:  Taking taylor expansion of (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 d2) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (* (+ 10 d2) (+ 10 d2)) into (sqr (+ 10 d2))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 d2)) -400) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (* 0 (- (+ (sqr d2) (* 20 d2)) 300)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (* 0 (+ 10 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- (+ (sqr d2) (* 20 d2)) 300))) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (+ 10 d2) -20) into (- d2 10)
* [misc]backup-simplify:  Simplify (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) into (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) in d2
* [misc]taylor:  Taking taylor expansion of (- (+ (sqr d2) (* 20 d2)) 300) in d2
* [misc]taylor:  Taking taylor expansion of (+ (sqr d2) (* 20 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* 20 d2) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]taylor:  Taking taylor expansion of (- d2 10) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* 20 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify (- 10) into -10
* [misc]backup-simplify:  Simplify (+ 0 -10) into -10
* [misc]backup-simplify:  Simplify (/ -300 -10) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (* 0 (+ 10 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- d2 10)) (+ (* (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) (/ 0 (- d2 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 1) (* 0 0)) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- (/ 20 -10) (+ (* 30 (/ 1 -10)))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (* 0 20)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- d2 10)) (+ (* (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) (/ 0 (- d2 10))) (* 0 (/ 0 (- d2 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 1 -10) (+ (* 30 (/ 0 -10)) (* 1 (/ 1 -10)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 d2)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 20))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300)))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- d2 10)) (+ (* (/ (- (+ (sqr d2) (* 20 d2)) 300) (- d2 10)) (/ 0 (- d2 10))) (* 0 (/ 0 (- d2 10))) (* 0 (/ 0 (- d2 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* d2 d1)) (* 30 (* 1 d1))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) (- (+ 10 (/ 1 d2)) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) (- (+ 10 (/ 1 d2)) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* (/ 1 d1) 1) into (/ 1 d1)
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ (/ 1 d1) 1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) (- (+ 10 (/ 1 d2)) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 d2)) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (+ 10 (/ 1 d2)) (+ 10 (/ 1 d2))) into (sqr (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 (/ 1 d2))) -400) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (* 1 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (+ 10 (/ 1 d2)) -20) into (- (/ 1 d2) 10)
* [misc]backup-simplify:  Simplify (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) into (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) (- (+ 10 (/ 1 d2)) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 d2)) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (+ 10 (/ 1 d2)) (+ 10 (/ 1 d2))) into (sqr (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 (/ 1 d2))) -400) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (* 1 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (+ 10 (/ 1 d2)) -20) into (- (/ 1 d2) 10)
* [misc]backup-simplify:  Simplify (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) into (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10))
* [misc]taylor:  Taking taylor expansion of (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) in d2
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* 20 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]taylor:  Taking taylor expansion of (- (/ 1 d2) 10) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (* 0 (+ 10 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (/ 1 d2) 10)) (+ (* (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) (/ 0 (- (/ 1 d2) 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (* 20 1) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 10) into -10
* [misc]backup-simplify:  Simplify (+ 0 -10) into -10
* [misc]backup-simplify:  Simplify (- (/ 20 1) (+ (* 1 (/ -10 1)))) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (+ (* 0 0) (* 0 (+ 10 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (/ 1 d2) 10)) (+ (* (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ -300 1) (+ (* 1 (/ 0 1)) (* 30 (/ -10 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 (/ 1 d2)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (* 0 20)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (/ 1 d2) 10)) (+ (* (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* 30 (/ 0 1)) (* 0 (/ -10 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 (/ 1 d2))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 20))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (/ 1 d2) 10)) (+ (* (/ (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) (- (/ 1 d2) 10)) (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))) (* 0 (/ 0 (- (/ 1 d2) 10))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 30 (* 1 (/ 1 (/ 1 d1)))) (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1))))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (/ (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) (- (+ 10 (/ 1 (- d2))) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) (- (+ 10 (/ 1 (- d2))) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* (/ -1 d1) 1) into (/ -1 d1)
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify (/ (/ -1 d1) -1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) (- (+ 10 (/ 1 (- d2))) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 (- d2))) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (- 10 (/ 1 d2)) (- 10 (/ 1 d2))) into (sqr (- 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (- 10 (/ 1 d2))) -400) into (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) into (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (- 10 (/ 1 d2)) -20) into (- (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (/ (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) (- (+ 10 (/ 1 d2)))) into (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (/ (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) (- (+ 10 (/ 1 (- d2))) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (+ 10 (/ 1 (- d2))) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (- 10 (/ 1 d2)) (- 10 (/ 1 d2))) into (sqr (- 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (- 10 (/ 1 d2))) -400) into (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) into (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ (- 10 (/ 1 d2)) -20) into (- (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (/ (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) (- (+ 10 (/ 1 d2)))) into (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 300 (* 20 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]taylor:  Taking taylor expansion of (* 20 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (* 0 (- 10 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (+ 10 (/ 1 d2)))) (+ (* (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) (/ 0 (- (+ 10 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (* 20 1) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ 0 -20) into -20
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (- (/ -20 1) (+ (* 1 (/ 10 1)))) into -30
* [misc]backup-simplify:  Simplify -30 into -30
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (+ (* 0 0) (* 0 (- 10 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (+ 10 (/ 1 d2)))) (+ (* (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 300 0) into 300
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ -300 1) (+ (* 1 (/ 0 1)) (* -30 (/ 10 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 10 (/ 1 d2)))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (* 0 20)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (+ 10 (/ 1 d2)))) (+ (* (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 1))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* -30 (/ 0 1)) (* 0 (/ 10 1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 10 (/ 1 d2))))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 20))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))))))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (/ 0 (- (+ 10 (/ 1 d2)))) (+ (* (/ (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) (+ 10 (/ 1 d2))) (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))) (* 0 (/ 0 (- (+ 10 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* -30 (* 1 (/ 1 (/ 1 (- d1))))) (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1)))))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* d1 (- (sqr (+ 10 d2)) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (* (+ 10 d2) (+ 10 d2)) into (sqr (+ 10 d2))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 d2)) -400) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]backup-simplify:  Simplify (* 0 (- (+ (sqr d2) (* 20 d2)) 300)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (* 0 (+ 10 d2))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (- (+ (sqr d2) (* 20 d2)) 300))) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]taylor:  Taking taylor expansion of (- (+ (sqr d2) (* 20 d2)) 300) in d2
* [misc]taylor:  Taking taylor expansion of (+ (sqr d2) (* 20 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (* 20 d2) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (* 20 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (* 0 (+ 10 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 1) (* 0 0)) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 d2) 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 10 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (+ (* 0 0) (* 0 20)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (- (+ (sqr d2) (* 20 d2)) 300))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 1) (* 0 0))) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (* (sqr d2) d1)) (+ (* 20 (* d2 d1)) (* -300 (* 1 d1)))) into (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (- (sqr (+ 10 (/ 1 d2))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (+ 10 (/ 1 d2)) (+ 10 (/ 1 d2))) into (sqr (+ 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (+ 10 (/ 1 d2))) -400) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]backup-simplify:  Simplify (* 1 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)) into (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)
* [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300) in d2
* [misc]taylor:  Taking taylor expansion of (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (* 20 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (* 0 (+ 10 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (* 20 1) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (+ 10 (/ 1 d2)) 0) (+ (* 0 0) (* 0 (+ 10 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (- (+ (/ 1 (sqr d2)) (* 20 (/ 1 d2))) 300)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify (+ (* -300 (* 1 (/ 1 (/ 1 d1)))) (+ (* 20 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1)))) (* 1 (* (/ 1 (sqr (/ 1 d2))) (/ 1 (/ 1 d1)))))) into (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d1
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* (- 10 (/ 1 d2)) (- 10 (/ 1 d2))) into (sqr (- 10 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ (sqr (- 10 (/ 1 d2))) -400) into (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))
* [misc]backup-simplify:  Simplify (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) into (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))
* [misc]taylor:  Taking taylor expansion of (* -1 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))) in d2
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (sqr d2)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (* 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 0)) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 0))) into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ 300 (* 20 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of 300 in d2
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]taylor:  Taking taylor expansion of (* 20 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify (* -1 1) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (* 0 (- 10 (/ 1 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 0)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (* 20 1) into 20
* [misc]backup-simplify:  Simplify (+ 0 20) into 20
* [misc]backup-simplify:  Simplify (- 20) into -20
* [misc]backup-simplify:  Simplify (+ 0 -20) into -20
* [misc]backup-simplify:  Simplify (+ (* -1 -20) (* 0 1)) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* (- 10 (/ 1 d2)) 0) (+ (* 0 0) (* 0 (- 10 (/ 1 d2))))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- (/ 1 (sqr d2)) (+ 300 (* 20 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 1)) into 0
* [misc]backup-simplify:  Simplify (+ 300 0) into 300
* [misc]backup-simplify:  Simplify (- 300) into -300
* [misc]backup-simplify:  Simplify (+ 0 -300) into -300
* [misc]backup-simplify:  Simplify (+ (* -1 -300) (+ (* 0 -20) (* 0 1))) into 300
* [misc]backup-simplify:  Simplify 300 into 300
* [misc]backup-simplify:  Simplify (+ (* 300 (* 1 (/ 1 (/ 1 (- d1))))) (+ (* 20 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1))))) (* -1 (* (/ 1 (sqr (/ 1 (- d2)))) (/ 1 (/ 1 (- d1))))))) into (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1))
* [misc]approximate:  Taking taylor expansion of (sqr (+ 10 d2)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (* 10 10) into 100
* [misc]backup-simplify:  Simplify 100 into 100
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 10 1) (* 1 10)) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 10 0) (+ (* 1 1) (* 0 10))) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr d2)) (+ (* 20 d2) 100)) into (+ 100 (+ (sqr d2) (* 20 d2)))
* [misc]approximate:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ (* 1 10) (* 10 1)) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 10 10) (* 0 1))) into 100
* [misc]backup-simplify:  Simplify 100 into 100
* [misc]backup-simplify:  Simplify (+ 100 (+ (* 20 (/ 1 (/ 1 d2))) (* 1 (sqr (/ 1 (/ 1 d2)))))) into (+ 100 (+ (sqr d2) (* 20 d2)))
* [misc]approximate:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ (* -1 10) (* 10 -1)) into -20
* [misc]backup-simplify:  Simplify -20 into -20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 10 10) (* 0 -1))) into 100
* [misc]backup-simplify:  Simplify 100 into 100
* [misc]backup-simplify:  Simplify (+ 100 (+ (* -20 (/ 1 (/ 1 (- d2)))) (* 1 (sqr (/ 1 (/ 1 (- d2))))))) into (+ 100 (+ (sqr d2) (* 20 d2)))
* [misc]approximate:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 d2)) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 d2)) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (* 10 10) into 100
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ 100 -400) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ (* 10 1) (* 1 10)) into 20
* [misc]backup-simplify:  Simplify (+ (* 20 0) (* 0 20)) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 10 0) (+ (* 1 1) (* 0 10))) into 1
* [misc]backup-simplify:  Simplify (+ (* 20 0) (+ (* 0 0) (* 0 20))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ (* 1 (sqr d2)) (+ (* 20 d2) -300)) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]approximate:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 d2))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (* 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ (* 1 10) (* 10 1)) into 20
* [misc]backup-simplify:  Simplify (+ 20 0) into 20
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 10 10) (* 0 1))) into 100
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ 100 -400) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify (+ -300 (+ (* 20 (/ 1 (/ 1 d2))) (* 1 (sqr (/ 1 (/ 1 d2)))))) into (- (+ (sqr d2) (* 20 d2)) 300)
* [misc]approximate:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (- (sqr (+ 10 (/ 1 (- d2)))) (sqr 20)) in d2
* [misc]taylor:  Taking taylor expansion of (sqr (+ 10 (/ 1 (- d2)))) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (sqr 20) in d2
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ (* -1 10) (* 10 -1)) into -20
* [misc]backup-simplify:  Simplify (+ -20 0) into -20
* [misc]backup-simplify:  Simplify -20 into -20
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 10 10) (* 0 -1))) into 100
* [misc]backup-simplify:  Simplify (* 20 20) into 400
* [misc]backup-simplify:  Simplify (- 400) into -400
* [misc]backup-simplify:  Simplify (+ 100 -400) into -300
* [misc]backup-simplify:  Simplify -300 into -300
* [misc]backup-simplify:  Simplify (+ -300 (+ (* -20 (/ 1 (/ 1 (- d2)))) (* 1 (sqr (/ 1 (/ 1 (- d2))))))) into (- (+ (sqr d2) (* 20 d2)) 300)
* * * [misc]progress:  tayloring alt 2 of 3
* [misc]approximate:  Taking taylor expansion of (cbrt (cube (+ (+ 10 d2) 20))) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 d2) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 d2) 20))) into (+ 30 d2)
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 d2) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 d2) 20))) into (+ 30 d2)
* [misc]backup-simplify:  Simplify (+ 30 d2) into (+ 30 d2)
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 30 d2) into (+ 30 d2)
* [misc]approximate:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) into (+ 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) into (+ 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify (+ 30 (/ 1 d2)) into (+ 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 30 (/ 1 d2)) into (+ 30 (/ 1 d2))
* [misc]approximate:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) into (- 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) into (- 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify (- 30 (/ 1 d2)) into (- 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 30 (/ 1 d2)) into (- 30 (/ 1 d2))
* [misc]approximate:  Taking taylor expansion of (cube (+ (+ 10 d2) 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (cube (+ (+ 10 d2) 20)) in d2
* [misc]backup-simplify:  Simplify (cube (+ (+ 10 d2) 20)) into (cube (+ 30 d2))
* [misc]taylor:  Taking taylor expansion of (cube (+ (+ 10 d2) 20)) in d2
* [misc]backup-simplify:  Simplify (cube (+ (+ 10 d2) 20)) into (cube (+ 30 d2))
* [misc]backup-simplify:  Simplify (cube (+ 30 d2)) into (cube (+ 30 d2))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (cube (+ 30 d2)) into (cube (+ 30 d2))
* [misc]approximate:  Taking taylor expansion of (cube (+ (+ 10 (/ 1 d2)) 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (cube (+ (+ 10 (/ 1 d2)) 20)) in d2
* [misc]backup-simplify:  Simplify (cube (+ (+ 10 (/ 1 d2)) 20)) into (cube (+ 30 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (cube (+ (+ 10 (/ 1 d2)) 20)) in d2
* [misc]backup-simplify:  Simplify (cube (+ (+ 10 (/ 1 d2)) 20)) into (cube (+ 30 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (cube (+ 30 (/ 1 d2))) into (cube (+ 30 (/ 1 d2)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (cube (+ 30 (/ 1 d2))) into (cube (+ 30 (/ 1 d2)))
* [misc]approximate:  Taking taylor expansion of (cube (+ (+ 10 (/ 1 (- d2))) 20)) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (cube (+ (+ 10 (/ 1 (- d2))) 20)) in d2
* [misc]backup-simplify:  Simplify (cube (+ (+ 10 (/ 1 (- d2))) 20)) into (cube (- 30 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (cube (+ (+ 10 (/ 1 (- d2))) 20)) in d2
* [misc]backup-simplify:  Simplify (cube (+ (+ 10 (/ 1 (- d2))) 20)) into (cube (- 30 (/ 1 d2)))
* [misc]backup-simplify:  Simplify (cube (- 30 (/ 1 d2))) into (cube (- 30 (/ 1 d2)))
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (cube (- 30 (/ 1 d2))) into (cube (- 30 (/ 1 d2)))
* [misc]approximate:  Taking taylor expansion of (* d1 (cbrt (cube (+ (+ 10 d2) 20)))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* d1 (cbrt (cube (+ (+ 10 d2) 20)))) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 d2) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 d2) 20))) into (+ 30 d2)
* [misc]taylor:  Taking taylor expansion of (* d1 (cbrt (cube (+ (+ 10 d2) 20)))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 d2) 20))) in d1
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 d2) 20))) into (+ 30 d2)
* [misc]taylor:  Taking taylor expansion of (* d1 (cbrt (cube (+ (+ 10 d2) 20)))) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 d2) 20))) in d1
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 d2) 20))) into (+ 30 d2)
* [misc]backup-simplify:  Simplify (* 0 (+ 30 d2)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (+ 30 d2))) into (+ 30 d2)
* [misc]taylor:  Taking taylor expansion of (+ 30 d2) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (+ 30 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (+ 30 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 30 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* d2 d1)) (* 30 (* 1 d1))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 d1) (cbrt (cube (+ (+ 10 (/ 1 d2)) 20)))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (cbrt (cube (+ (+ 10 (/ 1 d2)) 20)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) into (+ 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (cbrt (cube (+ (+ 10 (/ 1 d2)) 20)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) in d1
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) into (+ 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (cbrt (cube (+ (+ 10 (/ 1 d2)) 20)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) in d1
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 d2)) 20))) into (+ 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* 1 (+ 30 (/ 1 d2))) into (+ 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (+ 30 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (+ 30 (/ 1 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (+ 30 (/ 1 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 30 (/ 1 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* 30 (* 1 (/ 1 (/ 1 d1)))) into (* 30 d1)
* [misc]approximate:  Taking taylor expansion of (* (/ 1 (- d1)) (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20)))) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20)))) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) in d2
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) into (- 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) in d1
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) into (- 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20)))) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) in d1
* [misc]backup-simplify:  Simplify (cbrt (cube (+ (+ 10 (/ 1 (- d2))) 20))) into (- 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* -1 (- 30 (/ 1 d2))) into (* -1 (- 30 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (* -1 (- 30 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (- 30 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ (* -1 30) (* 0 -1)) into -30
* [misc]backup-simplify:  Simplify -30 into -30
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (- 30 (/ 1 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 30) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- 30 (/ 1 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 30) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 30 (/ 1 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (* -30 (* 1 (/ 1 (/ 1 (- d1))))) into (* 30 d1)
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 d2) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 d2) 30) into (+ 30 d2)
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 30 (* 1 (/ 1 (/ 1 d2)))) into (+ 30 d2)
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 30 (* -1 (/ 1 (/ 1 (- d2))))) into (+ 30 d2)
* * * [misc]progress:  tayloring alt 3 of 3
* [misc]approximate:  Taking taylor expansion of (* d1 (+ (+ 10 d2) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (+ 10 d2) 20)) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (+ 10 d2) 20)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* d1 (+ (+ 10 d2) 20)) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 d2) into (+ 10 d2)
* [misc]backup-simplify:  Simplify (+ (+ 10 d2) 20) into (+ 30 d2)
* [misc]backup-simplify:  Simplify (* 0 (+ 30 d2)) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (* 1 (+ 30 d2))) into (+ 30 d2)
* [misc]taylor:  Taking taylor expansion of (+ 30 d2) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (+ 30 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (+ 30 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 30 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 (* d2 d1)) (* 30 (* 1 d1))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 d1) (+ (+ 10 (/ 1 d2)) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (+ 10 (/ 1 d2)) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (/ 1 d1) into (/ 1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (+ 10 (/ 1 d2)) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 d1) (+ (+ 10 (/ 1 d2)) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (/ 1 d2) into (/ 1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ 1 d2)) into (+ 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (+ (+ 10 (/ 1 d2)) 20) into (+ 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* 1 (+ 30 (/ 1 d2))) into (+ 30 (/ 1 d2))
* [misc]taylor:  Taking taylor expansion of (+ 30 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (* 0 (+ 30 (/ 1 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (+ 30 (/ 1 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 30 (/ 1 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* (/ 1 d2) (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)) (* 0 (/ 0 d2)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (+ 30 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 30 (* 1 (/ 1 (/ 1 d1)))) (* 1 (* (/ 1 (/ 1 d2)) (/ 1 (/ 1 d1))))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (+ 10 (/ 1 (- d2))) 20)) in (d1 d2) around 0
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (+ 10 (/ 1 (- d2))) 20)) in d2
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d2
* [misc]taylor:  Taking taylor expansion of (- d1) in d2
* [misc]taylor:  Taking taylor expansion of d1 in d2
* [misc]backup-simplify:  Simplify d1 into d1
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (- d1) into (- d1)
* [misc]backup-simplify:  Simplify (/ 1 (- d1)) into (/ -1 d1)
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (+ 10 (/ 1 (- d2))) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (* (/ 1 (- d1)) (+ (+ 10 (/ 1 (- d2))) 20)) in d1
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d1)) in d1
* [misc]taylor:  Taking taylor expansion of (- d1) in d1
* [misc]taylor:  Taking taylor expansion of d1 in d1
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d1
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d1
* [misc]taylor:  Taking taylor expansion of 10 in d1
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d1
* [misc]taylor:  Taking taylor expansion of (- d2) in d1
* [misc]taylor:  Taking taylor expansion of d2 in d1
* [misc]backup-simplify:  Simplify d2 into d2
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (/ 1 (- d2)) into (/ -1 d2)
* [misc]taylor:  Taking taylor expansion of 20 in d1
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 (/ -1 d2)) into (- 10 (/ 1 d2))
* [misc]backup-simplify:  Simplify (+ (- 10 (/ 1 d2)) 20) into (- 30 (/ 1 d2))
* [misc]backup-simplify:  Simplify (* -1 (- 30 (/ 1 d2))) into (* -1 (- 30 (/ 1 d2)))
* [misc]taylor:  Taking taylor expansion of (* -1 (- 30 (/ 1 d2))) in d2
* [misc]taylor:  Taking taylor expansion of -1 in d2
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]taylor:  Taking taylor expansion of (- 30 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 30 in d2
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (* -1 -1) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (* 0 (- 30 (/ 1 d2)))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 30 0) into 30
* [misc]backup-simplify:  Simplify (+ (* -1 30) (* 0 -1)) into -30
* [misc]backup-simplify:  Simplify -30 into -30
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (- 30 (/ 1 d2))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 30) (* 0 -1))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 30 (/ 1 d2)))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 30) (* 0 -1)))) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- d2) into (- d2)
* [misc]backup-simplify:  Simplify (- (+ (* (/ -1 d2) (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))) (* 0 (/ 0 (- d2))))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (- 30 (/ 1 d2))))))) into 0
* [misc]taylor:  Taking taylor expansion of 0 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* -30 (* 1 (/ 1 (/ 1 (- d1))))) (* 1 (* (/ 1 (/ 1 (- d2))) (/ 1 (/ 1 (- d1)))))) into (+ (* 30 d1) (* d1 d2))
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 d2) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 d2) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 d2) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ (* 1 d2) 30) into (+ 30 d2)
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 d2)) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 d2)) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (/ 1 1) into 1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 1) into 1
* [misc]backup-simplify:  Simplify (+ 1 0) into 1
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 30 (* 1 (/ 1 (/ 1 d2)))) into (+ 30 d2)
* [misc]approximate:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in (d2) around 0
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]taylor:  Taking taylor expansion of (+ (+ 10 (/ 1 (- d2))) 20) in d2
* [misc]taylor:  Taking taylor expansion of (+ 10 (/ 1 (- d2))) in d2
* [misc]taylor:  Taking taylor expansion of 10 in d2
* [misc]backup-simplify:  Simplify 10 into 10
* [misc]taylor:  Taking taylor expansion of (/ 1 (- d2)) in d2
* [misc]taylor:  Taking taylor expansion of (- d2) in d2
* [misc]taylor:  Taking taylor expansion of d2 in d2
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify 1 into 1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (/ 1 -1) into -1
* [misc]taylor:  Taking taylor expansion of 20 in d2
* [misc]backup-simplify:  Simplify 20 into 20
* [misc]backup-simplify:  Simplify (+ 0 -1) into -1
* [misc]backup-simplify:  Simplify (+ -1 0) into -1
* [misc]backup-simplify:  Simplify -1 into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 10 0) into 10
* [misc]backup-simplify:  Simplify (+ 10 20) into 30
* [misc]backup-simplify:  Simplify 30 into 30
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- 0) into 0
* [misc]backup-simplify:  Simplify (- 1) into -1
* [misc]backup-simplify:  Simplify (- (+ (* -1 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)) (* 0 (/ 0 -1)))) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify (+ 0 0) into 0
* [misc]backup-simplify:  Simplify 0 into 0
* [misc]backup-simplify:  Simplify (+ 30 (* -1 (/ 1 (/ 1 (- d2))))) into (+ 30 d2)
* * * [misc]progress:  simplifying alt 1 of 30
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 2 of 30
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 3 of 30
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 4 of 30
* [enter]simplify:  Simplifying (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (/ (- (* (* d2 d1) (+ d2 20)) (* d1 300)) (- (+ 10 d2) 20))
* [misc]none:  prog is (λ (d1 d2) (/ (- (* (* d2 d1) (+ d2 20)) (* d1 300)) (- (+ 10 d2) 20)))
* * * [misc]progress:  simplifying alt 5 of 30
* [enter]simplify:  Simplifying (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (/ (- (* (* d2 d1) (+ d2 20)) (* d1 300)) (- (+ 10 d2) 20))
* [misc]none:  prog is (λ (d1 d2) (/ (- (* (* d2 d1) (+ d2 20)) (* d1 300)) (- (+ 10 d2) 20)))
* * * [misc]progress:  simplifying alt 6 of 30
* [enter]simplify:  Simplifying (/ (- (+ (* d1 (sqr d2)) (* 20 (* d1 d2))) (* 300 d1)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (30 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (/ (- (* (* d2 d1) (+ d2 20)) (* d1 300)) (- (+ 10 d2) 20))
* [misc]none:  prog is (λ (d1 d2) (/ (- (* (* d2 d1) (+ d2 20)) (* d1 300)) (- (+ 10 d2) 20)))
* * * [misc]progress:  simplifying alt 7 of 30
* [enter]simplify:  Simplifying (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20))))
* [misc]none:  prog is (λ (d1 d2) (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20)))))
* * * [misc]progress:  simplifying alt 8 of 30
* [enter]simplify:  Simplifying (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20))))
* [misc]none:  prog is (λ (d1 d2) (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20)))))
* * * [misc]progress:  simplifying alt 9 of 30
* [enter]simplify:  Simplifying (/ (* d1 (- (+ 100 (+ (sqr d2) (* 20 d2))) (sqr 20))) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (15 enodes)
* * [misc]simplify:  iters left: 2 (27 enodes)
* * [misc]simplify:  iters left: 1 (44 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20))))
* [misc]none:  prog is (λ (d1 d2) (* (/ d1 (- (+ d2 10) 20)) (+ (+ 100 (* d2 d2)) (* 20 (- d2 20)))))
* * * [misc]progress:  simplifying alt 10 of 30
* [enter]simplify:  Simplifying (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (41 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (+ 10 (- d2 20))) (- (* d2 (+ d2 20)) 300))
* [misc]none:  prog is (λ (d1 d2) (* (/ d1 (+ 10 (- d2 20))) (- (* d2 (+ d2 20)) 300)))
* * * [misc]progress:  simplifying alt 11 of 30
* [enter]simplify:  Simplifying (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (41 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (+ 10 (- d2 20))) (- (* d2 (+ d2 20)) 300))
* [misc]none:  prog is (λ (d1 d2) (* (/ d1 (+ 10 (- d2 20))) (- (* d2 (+ d2 20)) 300)))
* * * [misc]progress:  simplifying alt 12 of 30
* [enter]simplify:  Simplifying (/ (* d1 (- (+ (sqr d2) (* 20 d2)) 300)) (- (+ 10 d2) 20))
* * [misc]simplify:  iters left: 3 (13 enodes)
* * [misc]simplify:  iters left: 2 (24 enodes)
* * [misc]simplify:  iters left: 1 (41 enodes)
* [exit]simplify:  Simplified to (* (/ d1 (+ 10 (- d2 20))) (- (* d2 (+ d2 20)) 300))
* [misc]none:  prog is (λ (d1 d2) (* (/ d1 (+ 10 (- d2 20))) (- (* d2 (+ d2 20)) 300)))
* * * [misc]progress:  simplifying alt 13 of 30
* [enter]simplify:  Simplifying (* d1 (+ 30 d2))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 14 of 30
* [enter]simplify:  Simplifying (* d1 (+ 30 (/ 1 d2)))
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (17 enodes)
* * [misc]simplify:  iters left: 1 (23 enodes)
* [exit]simplify:  Simplified to (+ (* 30 d1) (/ d1 d2))
* [misc]none:  prog is (λ (d1 d2) (+ (* 30 d1) (/ d1 d2)))
* * * [misc]progress:  simplifying alt 15 of 30
* [enter]simplify:  Simplifying (* d1 (- 30 (/ 1 d2)))
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (10 enodes)
* [exit]simplify:  Simplified to (* d1 (- 30 (/ 1 d2)))
* [misc]none:  prog is (λ (d1 d2) (* d1 (- 30 (/ 1 d2))))
* * * [misc]progress:  simplifying alt 16 of 30
* [enter]simplify:  Simplifying (* d1 (cbrt (cube (+ 30 d2))))
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 17 of 30
* [enter]simplify:  Simplifying (* d1 (cbrt (cube (+ 30 (/ 1 d2)))))
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (15 enodes)
* * [misc]simplify:  iters left: 1 (40 enodes)
* [exit]simplify:  Simplified to (* (+ (/ 1 d2) 30) d1)
* [misc]none:  prog is (λ (d1 d2) (* (+ (/ 1 d2) 30) d1))
* * * [misc]progress:  simplifying alt 18 of 30
* [enter]simplify:  Simplifying (* d1 (cbrt (cube (- 30 (/ 1 d2)))))
* * [misc]simplify:  iters left: 3 (9 enodes)
* * [misc]simplify:  iters left: 2 (14 enodes)
* * [misc]simplify:  iters left: 1 (19 enodes)
* [exit]simplify:  Simplified to (* (- 30 (/ 1 d2)) d1)
* [misc]none:  prog is (λ (d1 d2) (* (- 30 (/ 1 d2)) d1))
* * * [misc]progress:  simplifying alt 19 of 30
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 20 of 30
* [enter]simplify:  Simplifying (* 30 d1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* d1 30)
* [misc]none:  prog is (λ (d1 d2) (* d1 30))
* * * [misc]progress:  simplifying alt 21 of 30
* [enter]simplify:  Simplifying (* 30 d1)
* * [misc]simplify:  iters left: 2 (3 enodes)
* * [misc]simplify:  iters left: 1 (4 enodes)
* [exit]simplify:  Simplified to (* d1 30)
* [misc]none:  prog is (λ (d1 d2) (* d1 30))
* * * [misc]progress:  simplifying alt 22 of 30
* [enter]simplify:  Simplifying (* d1 (cbrt (cube (+ 30 d2))))
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 23 of 30
* [enter]simplify:  Simplifying (* d1 (cbrt (cube (+ 30 d2))))
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 24 of 30
* [enter]simplify:  Simplifying (* d1 (cbrt (cube (+ 30 d2))))
* * [misc]simplify:  iters left: 3 (7 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (36 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 25 of 30
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 26 of 30
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 27 of 30
* [enter]simplify:  Simplifying (+ (* 30 d1) (* d1 d2))
* * [misc]simplify:  iters left: 3 (6 enodes)
* * [misc]simplify:  iters left: 2 (9 enodes)
* * [misc]simplify:  iters left: 1 (13 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 28 of 30
* [enter]simplify:  Simplifying (* d1 (+ 30 d2))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 29 of 30
* [enter]simplify:  Simplifying (* d1 (+ 30 d2))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* * * [misc]progress:  simplifying alt 30 of 30
* [enter]simplify:  Simplifying (* d1 (+ 30 d2))
* * [misc]simplify:  iters left: 3 (5 enodes)
* * [misc]simplify:  iters left: 2 (13 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (* d1 (+ d2 30))
* [misc]none:  prog is (λ (d1 d2) (* d1 (+ d2 30)))
* [misc]progress:  [Phase 3 of 3] Extracting.
* * [misc]regime-changes:  Finding splitpoints for: (#<alt-delta (λ (d1 d2) (/ (* d1 (- (sqr (+ 10 d2)) (sqr 20))) (- (+ 10 d2) 20)))> #<alt-delta (λ (d1 d2) (* d1 (cbrt (cube (+ (+ 10 d2) 20)))))> #<alt-delta (λ (d1 d2) (* d1 (+ (+ 10 d2) 20)))>)
* [misc]regimes:  Found splitpoints: (#s(sp 0 (+ (+ (* d1 10) (* d1 d2)) (* d1 20)) +inf.0)) , with alts (#<alt-delta (λ (d1 d2) (* d1 (+ (+ 10 d2) 20)))>)
* [enter]simplify:  Simplifying (* d1 (- (sqr (+ 10 d2)) (sqr 20)))
* * [misc]simplify:  iters left: 6 (9 enodes)
* * [misc]simplify:  iters left: 5 (16 enodes)
* * [misc]simplify:  iters left: 4 (35 enodes)
* * [misc]simplify:  iters left: 3 (114 enodes)
* * [misc]simplify:  iters left: 2 (325 enodes)
* * [misc]simplify:  iters left: 1 (401 enodes)
* [exit]simplify:  Simplified to (* (+ 20 (+ d2 10)) (* d1 (- (+ d2 10) 20)))
* [exit]simplify:  Simplified to (* (+ 20 (+ d2 10)) (* d1 (- (+ d2 10) 20)))
* [enter]simplify:  Simplifying (cube (+ (+ 10 d2) 20))
* * [misc]simplify:  iters left: 5 (6 enodes)
* * [misc]simplify:  iters left: 4 (11 enodes)
* * [misc]simplify:  iters left: 3 (28 enodes)
* * [misc]simplify:  iters left: 2 (112 enodes)
* * [misc]simplify:  iters left: 1 (307 enodes)
* [exit]simplify:  Simplified to (cube (+ d2 (+ 20 10)))
* [exit]simplify:  Simplified to (cube (+ d2 (+ 20 10)))
* [enter]simplify:  Simplifying (+ (+ 10 d2) 20)
* * [misc]simplify:  iters left: 4 (5 enodes)
* * [misc]simplify:  iters left: 3 (8 enodes)
* * [misc]simplify:  iters left: 2 (11 enodes)
* * [misc]simplify:  iters left: 1 (15 enodes)
* [exit]simplify:  Simplified to (+ (+ 10 d2) 20)
* [exit]simplify:  Simplified to (+ (+ 10 d2) 20)