Langer's Sudoku Assistant

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