Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Go back and make a different choice.

 

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

 

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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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