7 5 9 3
6 2 7 1 8
5 6
9 8 4 2
3 2 1 7
1 8
1 4 3 6 2
3 7 5 4
01-10-2017.......medium 01-10-2017
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7 1 5 4 8 2 9 6 3
6 4 2 9 7 3 1 5 8
9 3 8 5 1 6 4 2 7
5 7 9 8 6 4 2 3 1
4 2 1 3 5 7 8 9 6
8 6 3 2 9 1 7 4 5
2 5 6 1 4 8 3 7 9
1 9 4 7 3 5 6 8 2
3 8 7 6 2 9 5 1 4
4=>(1,4) | 6=>(1,8) | 2=>(1,6) | 5=>(4,1) | 5=>(2,8) | 3=>(3,2) | 4=>(3,7) | 7=>(3,9) |

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

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

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

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

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

5=>(5,5) | 9=>(5,8) | 9=>(6,5) |