7 2 5
7 1 9
4 8 5 7 6
3 5
8 2
5 9
2 8 4 6 1
7 1 3
5 2 8
13-06-2019.......hard 13-06-2019
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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