i find one solution that is similar公仔箱論壇+ }3 @/ i! _6 {- L5 S2 q
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....
+ J/ t+ D# i7 l' \9 `tvb now,tvbnow,bttvbmaybe there is a better one, let me see sin |