4 8 2 5
5 3
7 4 6 8
3 2 7 5
6 8 3 2
5 1 9 6
4 7
8 1 6 9
30-11-2020.......difficile 30-11-2020
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9 6 4 8 2 3 5 7 1
1 8 5 9 6 7 2 4 3
7 2 3 4 5 1 6 8 9
6 3 2 1 7 5 4 9 8
8 4 7 3 9 2 1 6 5
5 1 9 6 8 4 3 2 7
2 5 1 7 4 9 8 3 6
4 9 6 5 3 8 7 1 2
3 7 8 2 1 6 9 5 4
5=>(3,5) | 6=>(2,5) | 8=>(8,6) | 7=>(7,4) | 8=>(7,7) | 7=>(9,2) | 4=>(7,5) | 9=>(2,4) |

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

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

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

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

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

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