i find one solution that is similartvb now,tvbnow,bttvb0 L( w% h _' Z0 y8 ~- N- ?
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....
' W3 `' ]: i4 K% btvb now,tvbnow,bttvbmaybe there is a better one, let me see sin |