9 8 5 1
1 9 8 7
2 8
5 7 1 4
3 6
2 5 3 1
3 9
2 4 6 1
1 4 2 6
09-06-2017.......difficile 09-06-2017
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9 6 8 3 4 7 5 2 1
5 1 3 9 2 8 6 7 4
2 4 7 6 1 5 3 9 8
6 8 5 7 9 1 4 3 2
7 3 1 2 8 4 9 6 5
4 9 2 5 6 3 1 8 7
3 5 6 1 7 2 8 4 9
8 2 9 4 5 6 7 1 3
1 7 4 8 3 9 2 5 6
1=>(5,3) | 5=>(5,9) | 7=>(6,9) | 4=>(7,8) | 4=>(2,9) | 2=>(2,5) | 9=>(8,3) | 2=>(1,8) |

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

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

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

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

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