i find one solution that is similar
0 j* L1 u# Y3 j; S5 w/ b# m公仔箱論壇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....tvb now,tvbnow,bttvb) W2 l, K( A% h
maybe there is a better one, let me see sin |