9 1 5
4 8 5
2 6
4 1 6
3 4 6 7
7 9 3
4 3
8 6 7
2 8 5
11-12-2016.......hard 11-12-2016
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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