Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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