Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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