7 4 1
4 5 7
2 1 6
7 2 6
9 8
9 3 2
8 3 7
6 4 9
5 7 6
12-08-2017.......dificil 12-08-2017
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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