1 3 5
8 7 3
9 6 8 1
4 3 8 2
6 7 3 9
7 1 5 3
5 2 7 6
6 4 5
3 8 7
16-09-2020.......medium 16-09-2020
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1 7 4 9 3 2 6 8 5
6 8 5 4 7 1 2 3 9
9 3 2 6 5 8 7 4 1
4 9 3 1 6 5 8 7 2
8 5 6 7 2 3 9 1 4
7 2 1 8 9 4 5 6 3
5 4 8 2 1 7 3 9 6
2 6 7 3 4 9 1 5 8
3 1 9 5 8 6 4 2 7
8=>(1,8) | 6=>(2,1) | 3=>(3,2) | 7=>(4,8) | 3=>(8,4) | 8=>(6,4) | 8=>(5,1) | 4=>(5,9) |

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

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

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

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

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

2=>(9,8) |