4 8 5 9
7 2 3 5
9 6 4 1
9 5 2 4
3 4 5 1
2 7 4 8
1 3 5 7
5 3 6 8
6 1 5 3
10-04-2014.......facile 10-04-2014
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4 3 8 5 1 7 9 2 6
6 7 1 2 9 8 3 4 5
2 9 5 6 3 4 7 1 8
8 6 9 1 5 2 4 3 7
3 4 7 8 6 9 2 5 1
1 5 2 7 4 3 8 6 9
9 1 4 3 8 5 6 7 2
5 2 3 9 7 6 1 8 4
7 8 6 4 2 1 5 9 3
1=>(1,5) | 2=>(3,1) | 3=>(1,2) | 5=>(3,3) | 1=>(2,3) | 4=>(2,8) | 5=>(6,2) | 2=>(8,2) |

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

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

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

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

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