4 9 1 8 3
3 5 7
8
5 3 7
7 9
6 8 1
4
2 9 7
3 6 4 2 9
22-05-2017.......dificil 22-05-2017
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

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