Langer's Sudoku Assistant

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