3 5 4
9 8 6
7 2 3
8 1 6
5 4 6 1
4 7 2
3 6 1
7 3 2
6 8 4
07-08-2017.......hard 07-08-2017
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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