Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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