Langer's Sudoku Assistant

Invalid Sudoku!

Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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