Langer's Sudoku Assistant

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

 

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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