Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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