Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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