Langer's Sudoku Assistant

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