3 1 8
6 9 2 3
2 6 5
5 2 6
7 4
8 7 3
4 1 3 7
2 7 9
4 5 1 2
05-06-2011.......medium 05-06-2011
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4 7 9 5 3 1 8 2 6
5 1 8 6 9 2 4 3 7
2 3 6 4 7 8 5 1 9
3 8 5 7 2 6 9 4 1
6 9 7 3 1 4 2 5 8
1 2 4 8 5 9 6 7 3
9 4 1 2 8 3 7 6 5
8 5 2 1 6 7 3 9 4
7 6 3 9 4 5 1 8 2
2=>(1,8) | 3=>(3,2) | 4=>(2,7) | 5=>(1,4) | 8=>(3,6) | 3=>(9,3) | 7=>(4,4) | 2=>(7,4) |

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

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

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

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

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

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