9 5 1
4 6 5 2
3 7
1 6 4 5
2 9
3 4 9 2
6 8
5 3 7 9
8 3 4
23-03-2016.......medium 23-03-2016
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9 8 7 2 5 6 4 3 1
4 6 3 9 8 1 7 5 2
1 2 5 3 4 7 6 9 8
7 1 9 8 6 2 3 4 5
6 5 2 4 1 3 9 8 7
3 4 8 7 9 5 1 2 6
2 9 4 6 7 8 5 1 3
5 3 6 1 2 4 8 7 9
8 7 1 5 3 9 2 6 4
7=>(4,1) | 6=>(5,1) | 6=>(1,6) | 9=>(3,8) | 9=>(4,3) | 5=>(7,7) | 3=>(7,9) | 8=>(8,7) |

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

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

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

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

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

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