4 2
6 9
1 7 8 2
5 4
9 4 8 5
2 7 1 5 3
5 3 6
7 8 1
2 5 4
02-06-2011.......medium 02-06-2011
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5 9 3 4 2 1 7 8 6
4 6 2 8 7 9 3 1 5
1 7 8 5 6 3 9 2 4
6 5 1 9 3 7 2 4 8
9 3 4 2 8 6 5 7 1
2 8 7 1 5 4 6 9 3
7 1 5 3 4 2 8 6 9
3 4 6 7 9 8 1 5 2
8 2 9 6 1 5 4 3 7
2=>(2,3) | 4=>(2,1) | 8=>(6,2) | 8=>(2,4) | 4=>(3,9) | 4=>(6,6) | 2=>(8,9) | 2=>(7,6) |

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

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

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

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

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

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