i find one solution that is similar
, p' H1 g& v8 Q' utvb 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# I! d/ `4 Y$ R& R4 V8 E+ z
maybe there is a better one, let me see sin |