Langer's Sudoku Assistant

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

 

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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