Ú°½‘O”¼3F-34.3(¸×½•½‹Ï37)
Ú°½Œã”¼3F-34.5(¸×½•½‹Ï35.1)
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2º:4(8,13)(2,9)(1,5,6,16)12(3,11,14)7,15(10,18)17
3º:4=2(1,8)(9,13)(5,16,12)(6,11)14(3,7)(10,15)18,17
4º:4-2(1,8)(5,9,13,12)(6,16)14(10,3,11,7)(17,15,18)
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