i find one solution that is similar 7 e/ Z* @$ b0 V2 ^9 B# gbut i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....os.tvboxnow.com2 _& R" [+ l% i# I
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...