8 5
6 4 1
7 8 2 4
6 2 3 4
9
3 6 7 8
9 5 1 3
5 8 7
2 1
19-06-2020.......difficile 19-06-2020
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4 8 9 1 7 6 3 5 2
6 3 2 9 4 5 7 8 1
7 1 5 8 3 2 9 6 4
8 9 6 2 1 3 4 7 5
2 5 7 4 9 8 1 3 6
1 4 3 6 5 7 8 2 9
9 7 8 5 2 1 6 4 3
5 6 1 3 8 4 2 9 7
3 2 4 7 6 9 5 1 8
8=>(2,8) | 8=>(4,1) | 2=>(7,5) | 8=>(5,6) | 1=>(5,7) | 8=>(9,9) | 8=>(7,3) | 1=>(1,4) |

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

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

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

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

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

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