Langer's Sudoku Assistant

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

 

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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