Langer's Sudoku Assistant

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

 

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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