Ú°½‘O”¼3F-38.7(¸×½•½‹Ï37.7)
Ú°½Œã”¼3F-38.4(¸×½•½‹Ï38.4)
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1º:3,9(2,13)8(14,15)6(10,16)11,12,7-5,4-1
2º:3,9(2,13)8,15(6,14)16,10(11,12)7,5,4-1
3º:(*12,5)(3,9,13)(2,8,15,16)14(6,10)11(7,4)=1
4º:12(3,5)-(2,13)-(6,9,8)(14,16)(15,10)(7,11)4=1
1’…”n / 2’…”n / 3’…”n