0.073 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.055 * * * [progress]: [2/2] Setting up program.
0.058 * [progress]: [Phase 2 of 3] Improving.
0.058 * [simplify]: Simplifying:
  (- (+ (- (* x y) (* y y)) (* y y)) (* y z))
0.058 * [simplify]: Sending expressions to egg_math:
 (- (+ (- (* h2 h1) (* h1 h1)) (* h1 h1)) (* h1 h0))