i find one solution that is similar5.39.217.779 f" e2 S! S/ B% z& ~
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....5.39.217.773 R5 k1 z9 ^2 W: W
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...