Langer's Sudoku Assistant

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

 

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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