Langer's Sudoku Assistant

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

 

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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