Langer's Sudoku Assistant

Invalid Sudoku!

Column 2 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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