i=6 1 7 2 3 4 5 代入回数 = 6 0 1 2 3 4 5 86 28 67 74 53 15 41 tmp = 0 1 2 3 4 5 6 7 32 15 28 28 53 67 32 41 28 53 86 74 74 67 15 74 86 41
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