Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Go back and make a different choice.

 

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

 

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