5 2 7 3
2 6 1 9
7 4 6 9
4 5 1 7 6
1 3
8 6 7 1 4
3 8 5 4
3 4 7 2
9 6 5 1
15-03-2019.......facile 15-03-2019
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1 9 5 4 2 7 3 6 8
2 6 8 1 3 9 4 5 7
3 7 4 5 6 8 9 2 1
4 5 2 8 1 3 7 9 6
9 1 7 2 4 6 8 3 5
8 3 6 9 7 5 2 1 4
6 2 3 7 8 1 5 4 9
5 8 1 3 9 4 6 7 2
7 4 9 6 5 2 1 8 3
4=>(1,4) | 6=>(1,8) | 3=>(3,1) | 5=>(8,1) | 7=>(9,1) | 8=>(2,3) | 3=>(2,5) | 7=>(2,9) |

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

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

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

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

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