Langer's Sudoku Assistant

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

 

Start Over

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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