5 9 1
4 3 9
6 2 8 7
9 1 8 2
7
7 9 4 6
5 9 7 3
8 4 2
3 8 7
29-09-2018.......hard 29-09-2018
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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