Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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