Langer's Sudoku Assistant

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

 

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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