1 2 3 5 7
4 7 2 9 5
8 6 3
8 4 7 6
9 3
7 8 1 2
6 1 3
1 9 8 4 2
3 6 1 7 5
29-10-2016.......medium 29-10-2016
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1 2 3 8 9 5 6 4 7
6 4 7 2 3 1 9 5 8
8 9 5 4 6 7 3 1 2
2 3 1 5 8 4 7 6 9
5 6 4 9 7 3 2 8 1
9 7 8 1 2 6 5 3 4
4 5 6 7 1 2 8 9 3
7 1 9 3 5 8 4 2 6
3 8 2 6 4 9 1 7 5
6=>(1,7) | 9=>(1,5) | 6=>(2,1) | 9=>(3,2) | 5=>(3,3) | 3=>(2,5) | 1=>(2,6) | 8=>(2,9) |

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

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

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

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

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