i find one solution that is similar5.39.217.77( x e! N' I S e
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.... ! i6 y8 a" N r2 ]9 v8 qmaybe 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...