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.

 

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

 

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