i find one solution that is similar
" D9 g2 B- P3 @ N9 ^, y' Ctvb 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....
0 _( K @: d+ y0 x1 G Xmaybe there is a better one, let me see sin |