Langer's Sudoku Assistant

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