Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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