Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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