9 4 1 5
3 8 9 2
8 2 3
1 8 4
7 2
5 8 4
7 3 9
9 1 5 6
6 3 4 5
16-12-2020.......medio 16-12-2020
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9 7 2 3 6 4 1 5 8
6 3 4 1 8 5 9 2 7
8 1 5 2 7 9 6 4 3
3 2 9 7 1 6 5 8 4
1 4 7 5 3 8 2 9 6
5 8 6 9 4 2 7 3 1
7 5 8 6 2 3 4 1 9
4 9 1 8 5 7 3 6 2
2 6 3 4 9 1 8 7 5
8=>(1,9) | 2=>(9,1) | 2=>(4,2) | 8=>(7,3) | 5=>(4,7) | 3=>(8,7) | 2=>(8,9) | 2=>(1,3) |

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

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

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

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

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

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