Langer's Sudoku Assistant

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

 

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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