chungary919

i find one solution that is similar
9 [  V/ v* B# }! d* q6 ^( y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....( Y$ A4 }9 N, t2 h8 Q
maybe there is a better one, let me see sin

chungary919

it is already good IQ if you can understand the answer......