Langer's Sudoku Assistant

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

 

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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