Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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