Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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