Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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