Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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