Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 4 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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