i find one solution that is similar
5 h: r& \$ I' Q2 R' M5.39.217.77:8898but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....
: R) g6 {( n, v+ M' dtvb now,tvbnow,bttvbmaybe there is a better one, let me see sin |