8 9 3
2 1 7
7 4 6 1
8 5 1 4
7 2 6 1
5 6 3 7
4 9 2
3 5 9
09-12-2020.......medium 09-12-2020
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6 8 1 9 7 2 3 4 5
2 4 5 1 8 3 9 6 7
3 9 7 5 4 6 8 2 1
9 6 8 3 5 1 2 7 4
1 5 2 4 9 7 6 8 3
7 3 4 2 6 8 1 5 9
5 2 9 6 3 4 7 1 8
4 7 6 8 1 9 5 3 2
8 1 3 7 2 5 4 9 6
8=>(9,1) | 8=>(2,5) | 5=>(3,4) | 9=>(5,5) | 8=>(7,9) | 3=>(8,8) | 3=>(2,6) | 5=>(8,7) |

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

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

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

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

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

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