Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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