Langer's Sudoku Assistant

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