Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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