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