Langer's Sudoku Assistant

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

 

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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