Langer's Sudoku Assistant

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