Langer's Sudoku Assistant

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

 

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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