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