Langer's Sudoku Assistant

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

 

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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