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

 

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