i find one solution that is similar% N! ^" e+ @7 c0 @# U
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.... ! v! a+ h% v! \4 g. }2 Pos.tvboxnow.commaybe 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...