Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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