7 5 6
3 2 4
8 4
2 9 1
1 8 3
9 7 8
4 8
1 6 9
2 1 5
09-07-2018.......difficile 09-07-2018
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7 2 4 5 9 8 3 1 6
1 5 9 3 2 6 4 7 8
6 8 3 1 7 4 9 5 2
8 3 2 6 4 7 5 9 1
4 1 6 9 8 5 2 3 7
9 7 5 2 1 3 8 6 4
3 6 7 4 5 2 1 8 9
5 4 1 8 6 9 7 2 3
2 9 8 7 3 1 6 4 5
8=>(1,6) | 2=>(1,2) | 8=>(9,3) | 8=>(2,9) | 8=>(4,1) | 9=>(5,4) | 1=>(7,7) | 4=>(1,3) |

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

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

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

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

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

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