Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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