Langer's Sudoku Assistant

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

 

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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