Langer's Sudoku Assistant

Invalid Sudoku!

Column 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

1
       
   6
       
9
7
    
      6
       
2
3
5
8
5
4
3
4
8
9
7
1
2
7
2
8
3
1
5
4
6
9
4
7
5
8
    
       
      9
2
6
3
    
    
       
2
3
8
6
4
1
4
5
7
6
9
    
    
       
5
3
7
2
8
    
    
       
2
8
7
4
       
    
      9
3
5
1
6
3
9
5
1
7
6
8
2
4
1
4
6
8
5
2
9
7
3

 

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Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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