Langer's Sudoku Assistant

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