i find one solution that is similarwww3.tvboxnow.com5 h4 V9 p- }" \8 i7 W: B+ x7 C
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.... - l' w5 [9 ?& ?" ?) \0 N% Y8 ]www3.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...