Ú°½‘O”¼3F-36.2(¸×½•½‹Ï35.8)
Ú°½Œã”¼3F-35.2(¸×½•½‹Ï35.2)
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2º:2,4(1,9,12)(8,14)(3,13)(5,18)(11,17)(10,16)15-6,7
3º:18,2,4(1,12)(8,9)(13,14)(3,17)5,11(10,16)-15,6=7
4º:18,2,4(1,12)9(8,13,14)(3,17)(10,5,11)16,15-6-7
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