Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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