Langer's Sudoku Assistant

Invalid Sudoku!

Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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