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Ú°½Œã”¼3F-39.2(¸×½•½‹Ï38.2)
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1º:15=(4,6)9(5,8,12)11,7-13(14,16)(1,2)3-10
2º:15=(4,6)9(5,8)12,11-7(13,14)16(1,2,3)-10
3º:15=(4,6)-(5,8,9)(7,11,12)(14,16)(13,1,2,3)-10
4º:(*15,4,6)5(8,9)(7,11)(14,12,16)(13,1)(2,3)-10
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