1 3 8 9
9 8 3 2
8 6
7 1 2 5
5 2
4 9 6 7
7 3
8 6 5 9
9 2 4 1
09-06-2020.......medium 09-06-2020
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1 3 6 5 2 7 4 8 9
4 7 9 8 6 3 2 1 5
8 5 2 4 9 1 3 7 6
6 8 7 1 3 2 5 9 4
5 9 3 7 8 4 1 6 2
2 1 4 9 5 6 7 3 8
7 6 1 2 4 9 8 5 3
3 4 8 6 1 5 9 2 7
9 2 5 3 7 8 6 4 1
4=>(1,7) | 2=>(6,1) | 5=>(6,5) | 8=>(6,9) | 7=>(8,9) | 5=>(9,3) | 5=>(2,9) | 5=>(7,8) |

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

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

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

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

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

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