i find one solution that is similar , A4 m4 L# X! c0 G& H0 mbut i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....8 p/ F7 G5 g) y. 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...