Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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