i find one solution that is similar5.39.217.77:8898! j0 q" I T: m" Q6 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....; v) o5 t, X9 R# C1 s- q- {
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...