Langer's Sudoku Assistant

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