9 6 8 3
7 8 1 5
8 1 5 7
6 8 2
9 3 4 8
3 5 4 1
1 2 3 9
07-06-2017.......hard 07-06-2017
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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