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i find one solution that is similar8 C6 ~. e0 C8 V' y, L9 L9 B, V- 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....tvb now,tvbnow,bttvb/ U; r+ E( J3 R- i! P' _% Q
maybe there is a better one, let me see sin
it is already good IQ if you can understand the answer......
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