i find one solution that is similar 8 d4 {, Y" J( J6 G公仔箱論壇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.... % i4 q- J( G9 {& C% {- k+ u5.39.217.77maybe 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...