8 6
8 1 4
4 9 6 7
3 8
8 6 5 2 7 9
3 4
4 9 2 5
1 3 2
9 7
05-04-2014.......hard 05-04-2014
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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