Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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