Langer's Sudoku Assistant

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