Langer's Sudoku Assistant

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