5 9 7
4 1 6 5 3
7 8 3 2 6
6 5 1
3 9 6 1
4 3 7
8 7 2 1 5
2 3 8 7 9
1 5 4
08-07-2017.......facile 08-07-2017
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3 5 6 8 2 9 4 7 1
4 2 1 6 7 5 9 8 3
7 9 8 1 4 3 2 5 6
6 7 4 9 5 1 3 2 8
5 3 9 7 8 2 6 1 4
1 8 2 4 3 6 5 9 7
8 6 7 2 9 4 1 3 5
2 4 5 3 1 8 7 6 9
9 1 3 5 6 7 8 4 2
3=>(1,1) | 6=>(1,3) | 1=>(6,1) | 5=>(5,1) | 9=>(9,1) | 9=>(3,2) | 7=>(2,5) | 7=>(4,2) |

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

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

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

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

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