Langer's Sudoku Assistant

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

 

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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