Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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