Langer's Sudoku Assistant

Invalid Sudoku!

Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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