Langer's Sudoku Assistant

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

 

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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