Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 5 is invalid. Go back and make a different choice.

 

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

 

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