Langer's Sudoku Assistant

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