2 7 8 9
4 5 6 9 1
7 2 6
2 8 9 5 3
5 6 8
8 9 5 3 1
3 1 4
7 3 4 2 8
2 1 7 3
11-10-2016.......facile 11-10-2016
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6 3 2 7 1 8 5 9 4
4 8 5 6 9 2 1 3 7
1 7 9 3 4 5 8 2 6
2 4 1 8 7 9 6 5 3
7 5 3 4 6 1 9 8 2
8 9 6 5 2 3 4 7 1
3 1 8 2 5 6 7 4 9
5 6 7 9 3 4 2 1 8
9 2 4 1 8 7 3 6 5
3=>(1,2) | 7=>(5,1) | 2=>(2,6) | 8=>(2,2) | 7=>(2,9) | 4=>(4,2) | 6=>(8,2) | 3=>(3,4) |

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

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

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

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

6=>(4,7) | 5=>(7,5) | 9=>(7,9) | 5=>(9,9) |