Langer's Sudoku Assistant

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