3 9 7
9 8 4 5
5 2
6 8 2
3 7 5 4
6 4 2
1 3
7 2 9 6
1 8 4
08-06-2017.......difficile 08-06-2017
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2 4 3 5 6 1 8 9 7
9 1 8 3 7 4 5 6 2
6 7 5 8 2 9 1 4 3
7 9 4 6 8 3 2 5 1
3 2 1 7 9 5 6 8 4
8 5 6 1 4 2 7 3 9
5 6 9 4 1 7 3 2 8
4 3 7 2 5 8 9 1 6
1 8 2 9 3 6 4 7 5
8=>(6,1) | 3=>(8,2) | 4=>(3,8) | 4=>(7,4) | 9=>(5,5) | 7=>(6,7) | 1=>(8,8) | 4=>(4,3) |

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

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

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

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

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

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