Langer's Sudoku Assistant

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