Langer's Sudoku Assistant

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