Langer's Sudoku Assistant

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

 

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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