i find one solution that is similar( d) y5 N. A; S/ h+ g5 e7 `4 k
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....+ Z0 n) p n' Y2 c$ Q' t
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...