6 3 9
4 7
2 9 1
8 4 5
1 8
5 1 2
4 5 3
9 7
6 4 3
15-09-2009.......hard 15-09-2009
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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

9=>(7,9) |