Langer's Sudoku Assistant

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

 

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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