i find one solution that is similartvb now,tvbnow,bttvb( o3 `( Y7 ~' z8 s" p
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,bttvb0 u8 n: R7 S# E7 X4 y& `) X6 }% i
maybe there is a better one, let me see sin |