i find one solution that is similar 6 ]. N4 R2 g# O# R9 b' O; I8 m' R5 \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.... 7 U% Y: F% v5 ~8 I2 wmaybe 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...