9 7 2 1
7 6 9 1
3 1 8 7
1 2 4 9 7
9 5
8 3 9 6 1
6 3 4 7
5 9 2 8
2 4 6 5
15-04-2014.......facile 15-04-2014
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4 5 9 3 7 2 1 8 6
7 6 8 9 5 1 3 4 2
2 3 1 6 8 4 7 9 5
1 2 5 8 4 6 9 3 7
6 9 7 1 2 3 8 5 4
8 4 3 7 9 5 2 6 1
5 1 6 2 3 8 4 7 9
3 7 4 5 1 9 6 2 8
9 8 2 4 6 7 5 1 3
2=>(3,1) | 6=>(5,1) | 5=>(2,5) | 3=>(1,4) | 4=>(3,6) | 6=>(3,4) | 5=>(4,3) | 8=>(2,3) |

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

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

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

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

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