Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Go back and make a different choice.

 

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

 

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Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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