Langer's Sudoku Assistant

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

 

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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