Langer's Sudoku Assistant

Invalid Sudoku!

Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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