2 3 8 1
9 2
7 9 1 4
9 6 3 2
2 5
3 7 4 6
4 1 9 3
1 7
8 2 6 5
10-10-2020.......hard 10-10-2020
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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