Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 1 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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