Langer's Sudoku Assistant

Invalid Sudoku!

Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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