i find one solution that is similar5.39.217.77:8898' v1 ?. I7 c: a9 w% c
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....
b$ h: s& F& i* E! Y( l9 e; ]3 Dmaybe there is a better one, let me see sin |