Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Go back and make a different choice.

 

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

 

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