Langer's Sudoku Assistant

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

 

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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