Langer's Sudoku Assistant

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