1 3 7
3 2 4
8 6 9
5 3 1
7 6
4 8 3
4 1 8
5 4 9
2 8 7
23-08-2017.......dificil 23-08-2017
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

7=>(6,3) |