Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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