Langer's Sudoku Assistant

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