c4 * 3                              : rejected 81/81
c4 / 3                              : rejected 81/81
c4 * 1.5                            : rejected 70/81
c4 / 1.5                            : rejected 80/81
u shifted +0.05 (beyond q0 region)  : rejected 22/81
t shifted +0.15 (a ~ 0.88)          : rejected 81/81
t shifted -0.25 (a ~ 0.2)           : rejected 81/81
original boxes (control):
unchanged                           : rejected 0/81
