8 3 9 1
4 2
9 2 3
5 1
4 8 6 7
1 3
3 6 1
1 5
2 7 9 6
15-08-2017.......dificil 15-08-2017
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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