i find one solution that is similar* \: H/ ] O6 ]; n
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.... ; G0 c( [4 W1 O& A3 \公仔箱論壇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...