Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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