1 2 5 8
8 6 9 4
1 3 4 9
4 6 8 5
7 1 6 2
3 2 5 7
7 4 1 6
9 5 7 4
5 1 4 9
16-03-2019.......facile 16-03-2019
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4 3 9 7 6 1 2 5 8
8 7 6 5 9 2 3 4 1
1 2 5 8 3 4 9 6 7
9 4 2 6 8 7 1 3 5
7 5 1 3 4 9 6 8 2
3 6 8 1 2 5 4 7 9
2 8 7 4 1 3 5 9 6
6 9 3 2 5 8 7 1 4
5 1 4 9 7 6 8 2 3
4=>(1,1) | 7=>(1,4) | 6=>(1,5) | 6=>(8,1) | 2=>(7,1) | 6=>(6,2) | 8=>(3,4) | 6=>(3,8) |

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

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

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

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

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