Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. Go back and make a different choice.

 

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

 

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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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