i find one solution that is similarwww3.tvboxnow.com0 ~# d* k) U: |7 J
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( E* i4 ~- Q7 [- m1 h C# S: S
maybe there is a better one, let me see sin |