i find one solution that is similar ' ~' F4 L. g! J3 ], Abut i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left.... & j' [- ~" h( y# ~9 F6 Cmaybe 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...