Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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