Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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