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1º:(*5,7)(1,14)(4,9,16)(3,11)(6,10)(8,13)12-2=15
2º:5,7(1,14)(4,9,16)(3,11)6,10,8,13,12-2=15
3º:(*5,7)14(1,9)(4,16)(6,3,11)(8,10,13)12,2,15
4º:5(1,7)14(4,9)(6,16)(3,11,13)(8,10)12(2,15)
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