i find one solution that is similartvb now,tvbnow,bttvb5 [5 [- |, y3 P7 ?* r
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....
, i+ F; Y( Y& a; _( r& i. W4 itvb now,tvbnow,bttvbmaybe there is a better one, let me see sin |