Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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