Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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