Langer's Sudoku Assistant

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