i find one solution that is similarwww1.tvboxnow.com9 ]) y0 t5 Z& ] F5 w
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....% n; A! C4 Z a( E- l/ j
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...