Langer's Sudoku Assistant

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