6 4
4 1 5
3 8 4
3 2 7 4
1 6 9 7
2 8 5 1
6 5 7
9 5 2
8 3
07-10-2017.......hard 07-10-2017
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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