Langer's Sudoku Assistant

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