Langer's Sudoku Assistant

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