Langer's Sudoku Assistant

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

 

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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