Langer's Sudoku Assistant

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

 

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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