4 7 1
5 9 6
4 1 8 2
6 3 8 5
3
2 4 8 3
1 5 3 6
4 9 8
7 9 4
02-07-2016.......hard 02-07-2016
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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