4 3 9
7 6 9 5
6 1 3
7 2 5
2 4
4 5 6
1 6 9
3 1 2 8
5 9 7
07-01-2020.......dificil 07-01-2020
www.daily-sudoku-puzzle.com

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

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

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

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

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

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

6=>(8,8) | 2=>(9,8) | 2=>(2,9) | 2=>(3,3) | 8=>(2,3) |