Langer's Sudoku Assistant

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

 

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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