i find one solution that is similar% _- W+ ^, m6 @* E6 C
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 A2 y4 [ K- z; P% I+ f8 v3 d
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...