Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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