9 3 6 2
8 7 4 3
4 1 7 6
9 6 7
2 5 8 9
6 9 3 5
1 7 5 9
08-10-2016.......difficile 08-10-2016
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9 1 4 3 5 6 7 8 2
3 5 2 8 7 4 9 1 6
6 8 7 9 1 2 4 3 5
5 4 3 1 9 7 2 6 8
8 9 1 2 6 3 5 7 4
7 2 6 5 4 8 1 9 3
2 6 9 4 8 1 3 5 7
4 7 5 6 3 9 8 2 1
1 3 8 7 2 5 6 4 9
7=>(8,2) | 3=>(9,2) | 9=>(2,7) | 9=>(4,5) | 6=>(8,4) | 7=>(6,1) | 1=>(6,7) | 6=>(9,7) |

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

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

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

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

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

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