Langer's Sudoku Assistant

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

 

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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