i find one solution that is similartvb now,tvbnow,bttvb2 d# P7 {- U* h0 p+ X* h
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....
7 o$ q. b( |9 `/ A) ~- Q1 @maybe there is a better one, let me see sin |