Langer's Sudoku Assistant

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