Langer's Sudoku Assistant

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