i find one solution that is similar
: K; f8 ^3 V6 ~# ~( y, Ltvb 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....
[1 G. Y( e) E% b8 a8 A5.39.217.77maybe there is a better one, let me see sin |