6 1 7 2 3
3 1 5
2 4 7
1 9
9 2 3 8
5 6
7 9 6
2 7 5
3 8 1 2
08-05-2019.......medium 08-05-2019
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6 4 1 5 7 2 9 8 3
8 3 7 1 9 6 4 2 5
9 2 5 4 3 8 6 7 1
1 8 3 7 6 4 5 9 2
7 6 9 2 5 3 8 1 4
4 5 2 9 8 1 7 3 6
5 7 4 3 2 9 1 6 8
2 1 8 6 4 7 3 5 9
3 9 6 8 1 5 2 4 7
5=>(1,4) | 2=>(2,8) | 1=>(8,2) | 3=>(3,5) | 5=>(5,5) | 2=>(7,5) | 1=>(6,6) | 5=>(4,7) |

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

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

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

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

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

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