Langer's Sudoku Assistant

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