A . A.10,6,18,8,4,2,12,20,16,30,28B . 1,12,10,20,6,18,4,16,30,8,28C . 2,4,6,8,10,12,16,18,20,28,30D . 30,10,20,12,2,4,16,6,8,28,18
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