i find one solution that is similartvb now,tvbnow,bttvb% Q5 o- B% S7 M# A) u
but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....5.39.217.767 A( X; n$ v. f- E4 `* z; ~
maybe there is a better one, let me see sin |