Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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