Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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