Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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