put six on each side .. take the heaviler side and put three on each side
* F* @/ b7 R4 U: ]( v% atake two balls out of the heaviler side and put on each side TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。1 w7 J2 [5 W0 |- q
if they r the same the reminder is the heavy ball otherwise u know which one is the heavy ball |