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