Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 1 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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