3 1 8 6
6 2 3 4
1 5 2 7
2 5 6 3
1 4 7 2
5 8 3 4
7 8 1 3
1 3 2 9
2 3 9 1
07-07-2017.......facil 07-07-2017
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3 7 5 9 1 4 2 8 6
6 2 9 3 7 8 1 4 5
4 8 1 5 6 2 7 9 3
7 4 2 1 5 9 6 3 8
1 6 3 4 8 7 9 5 2
9 5 8 2 3 6 4 1 7
5 9 7 8 2 1 3 6 4
8 1 6 7 4 3 5 2 9
2 3 4 6 9 5 8 7 1
2=>(1,7) | 7=>(1,2) | 1=>(2,7) | 7=>(2,5) | 5=>(2,9) | 8=>(3,2) | 6=>(3,5) | 3=>(3,9) |

9=>(3,8) | 3=>(5,3) | 1=>(4,4) | 2=>(6,4) | 2=>(7,5) | 7=>(6,9) | 5=>(9,6) | 1=>(6,8) |

8=>(8,1) | 8=>(9,7) | 4=>(7,9) | 8=>(4,9) | 7=>(9,8) | 9=>(1,4) | 5=>(1,3) | 4=>(3,1) |

5=>(7,1) | 9=>(6,1) | 7=>(4,1) | 9=>(2,3) | 8=>(2,6) | 4=>(4,2) | 4=>(1,6) | 9=>(4,6) |

7=>(8,4) | 6=>(9,4) | 6=>(5,2) | 8=>(5,5) | 5=>(5,8) | 4=>(8,5) | 6=>(6,6) | 9=>(5,7) |

5=>(8,7) | 6=>(7,8) | 4=>(9,3) | 9=>(7,2) | 6=>(8,3) |