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put six on each side .. take the heaviler side and put three on each side 5.39.217.774 c# f% {* R+ f9 U
take two balls out of the heaviler side and put on each side 公仔箱論壇  M0 s  b; K% k; S% m  v2 M
if they r the same the reminder is the heavy ball otherwise u know which one is the heavy ball