chungary919

i find one solution that is similar
+ X. u. f0 X* j& S. i9 v+ X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....
9 d" K" p. W5 L公仔箱論壇maybe there is a better one, let me see sin

chungary919

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