Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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