Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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