Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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