7 5 6 2
8 5 6 1
9 2 1 4
7 4 8 5
5 9 7 1
6 3 1 7
5 1 3 2
9 5 7 3
3 1 9 8
18-10-2016.......facil 18-10-2016
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7 4 1 8 5 9 3 6 2
8 5 2 6 3 4 9 1 7
6 3 9 2 7 1 4 8 5
1 2 7 3 4 6 8 5 9
5 8 4 9 2 7 6 3 1
9 6 3 5 1 8 7 2 4
4 7 5 1 8 3 2 9 6
2 9 8 4 6 5 1 7 3
3 1 6 7 9 2 5 4 8
1=>(1,3) | 1=>(4,1) | 6=>(3,1) | 2=>(2,3) | 3=>(3,2) | 2=>(4,2) | 7=>(7,2) | 5=>(3,9) |

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

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

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

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

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