3 4 6
4 3 8
2 1 5 4
4 8 1 5
9 4 2 8
6 7 4 9
7 6 8 2
1 5 9
5 2 8
04-04-2020.......hard 04-04-2020
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

2=>(4,2) |