Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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