Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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