A . A.10,6,18,8,4,2,12,20,16,30,28B . 6,2,10,4,8,12,28,30,20,16,18C . 2,4,6,8,10,12,16,18,20,28,30D . 6,10,8,28,20,18,2,4,12,30,16
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