i find one solution that is similar ; s9 n; b2 l0 O( |5.39.217.77:8898but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left.... : }5 r" Z" z. M* ~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...