Langer's Sudoku Assistant

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