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i find one solution that is similar
, }+ L! U) v1 J, u5 ^5.39.217.77:8898but i can't specify the heavier one is abnormal or the lighter one is abnormal when the case that has only two balls left....
$ T( A) J' k. x' a/ \. i: Zmaybe there is a better one, let me see sin
it is already good IQ if you can understand the answer......
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