i find one solution that is similarwww2.tvboxnow.com6 y# h/ l5 U; y4 @
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....% e4 o, W9 e8 b) c# C0 ]
maybe there is a better one, let me see sin
actually this question always have someone asked, the calculation is very complicated, should give a no. of each ball, and first weight it in 6-6, and .... forgot...