6 4 7
9 3 2
8 3 6
2 4 3 8
7 3 6 5
4 9 8 7
8 3 1
1 5 9
9 7 1
24-06-2016.......medium 24-06-2016
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9 6 3 2 4 5 1 7 8
7 8 1 9 6 3 5 2 4
4 2 5 1 8 7 9 3 6
2 5 6 7 9 4 3 8 1
1 7 8 3 2 6 4 5 9
3 4 9 8 5 1 2 6 7
8 3 4 6 1 2 7 9 5
6 1 7 5 3 9 8 4 2
5 9 2 4 7 8 6 1 3
1=>(5,1) | 6=>(2,5) | 2=>(3,2) | 5=>(4,2) | 8=>(2,2) | 3=>(1,3) | 6=>(4,3) | 7=>(4,4) |

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

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

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

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

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

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