Langer's Sudoku Assistant

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