2 4 5 7 8
6 3
9 5 1
8 7 3 5
6
7 3 9 1
7 8 4
4 3
3 2 6 1 9
18-10-2018.......difficile 18-10-2018
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3 2 6 4 1 5 7 8 9
8 1 5 9 7 6 2 4 3
9 4 7 2 3 8 5 6 1
1 8 9 7 2 4 3 5 6
2 5 4 1 6 3 9 7 8
6 7 3 8 5 9 4 1 2
7 6 8 5 9 2 1 3 4
4 9 1 3 8 7 6 2 5
5 3 2 6 4 1 8 9 7
3=>(1,1) | 8=>(2,1) | 5=>(9,1) | 3=>(5,6) | 2=>(7,6) | 3=>(7,8) | 8=>(9,7) | 4=>(9,5) |

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

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

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

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

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

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