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