Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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