Langer's Sudoku Assistant

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