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