7 1 3 4 8 6
2 7
9 4 1 5
1 8
2 6
9 3
3 1 8 7
9 5
6 5 4 7 2 1
03-08-2018.......medium 03-08-2018
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7 5 1 3 9 4 8 2 6
8 3 2 5 1 6 7 4 9
9 4 6 8 7 2 3 1 5
5 9 3 1 6 8 4 7 2
1 2 8 7 4 5 9 6 3
4 6 7 9 2 3 1 5 8
3 1 4 2 5 9 6 8 7
2 7 9 6 8 1 5 3 4
6 8 5 4 3 7 2 9 1
5=>(1,2) | 2=>(8,1) | 9=>(4,2) | 8=>(9,2) | 3=>(3,7) | 4=>(7,3) | 2=>(1,8) | 5=>(5,6) |

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

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

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

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

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

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