6 7 9 3 1
2 8
1 3
2 4 1 3
1 5 2 9
4 5
3 7
7 1 8 6 4
01-06-2020.......hard 01-06-2020
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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