9 2 3
5 3 6 8
4 5
5 1
2 1 9 4
8 7
4 1
4 3 2 7
1 8 6
03-08-2019.......difficile 03-08-2019
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7 6 8 9 4 2 1 5 3
5 3 2 6 7 1 8 4 9
9 4 1 5 3 8 2 7 6
4 9 3 2 6 7 5 8 1
2 1 6 3 8 5 7 9 4
8 5 7 4 1 9 3 6 2
3 2 5 7 9 4 6 1 8
6 8 4 1 5 3 9 2 7
1 7 9 8 2 6 4 3 5
5=>(1,8) | 4=>(4,1) | 3=>(3,5) | 1=>(8,4) | 8=>(4,8) | 8=>(8,2) | 8=>(7,9) | 3=>(7,1) |

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

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

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

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

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

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