i find one solution that is similar
. X4 H3 v ] c( `tvb 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) r, w F5 y2 Y- U- U4 Z% @
maybe there is a better one, let me see sin |