i find one solution that is similar 9 G, _* Z2 y3 X! H6 Z! u$ U5.39.217.77but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left.... ; a1 ?% e+ v' D D' ^2 l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...