trials=900  non-converged (skipped)=0
max (z-y)/(y-x) observed = 1.487048   (Lemma 1 bound r0 = 1.538616)
attained in family/trial/|A|/|B|/y/z: (2, 87, 0, 397, np.float64(0.5235287030910072), np.float64(1.3020411078579643))
