Langer's Sudoku Assistant

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