5 6 7 2
3 6 5 2
9 2 4 8
8 3 1 6 7
7 3
4 6 3 2 1
7 9 1 8
4 1 9 6
3 8 2 5
24-06-2017.......facil 24-06-2017
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1 8 5 9 6 7 2 4 3
3 6 4 5 8 2 7 1 9
7 9 2 1 4 3 8 6 5
8 3 9 2 1 4 6 5 7
2 7 1 6 5 9 4 3 8
4 5 6 7 3 8 9 2 1
6 4 7 3 9 5 1 8 2
5 2 8 4 7 1 3 9 6
9 1 3 8 2 6 5 7 4
1=>(1,1) | 8=>(1,2) | 7=>(3,1) | 8=>(2,5) | 5=>(6,2) | 9=>(1,4) | 3=>(3,6) | 6=>(3,8) |

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

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

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

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

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