i find one solution that is similar
$ b$ k( E9 l+ x9 g3 {5.39.217.76but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....tvb now,tvbnow,bttvb/ r! @" S) ?/ r/ U d3 {. j
maybe there is a better one, let me see sin |