Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Go back and make a different choice.

 

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

 

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