i find one solution that is similar
' p, A! v! U. Z) }1 P+ l4 ltvb now,tvbnow,bttvbbut i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....公仔箱論壇" ?! w" B5 e }) s9 r2 V7 R7 b. t4 c
maybe there is a better one, let me see sin |