8 2 5 6
3
2 8 4
1 5 9 3
2 6 7 9
8 2 4 1
3 8 5
1
2 6 1 8
11-02-2019.......hard 11-02-2019
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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