Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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