Langer's Sudoku Assistant

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

 

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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