Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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