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.

 

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

 

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