Langer's Sudoku Assistant

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

 

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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