6 9
3 5
7 9 6 2 1 8 4
4 7 2 5
5 9
7 1 9 3
8 3 5 9 6 2 7
7 9
1 4
07-05-2017.......hard 07-05-2017
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

3=>(9,5) |