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

 

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