i find one solution that is similar公仔箱論壇' @' H7 H5 J. l
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.... ( q5 E1 T, t# Z* t! P/ q4 \ C5.39.217.77maybe 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...