Langer's Sudoku Assistant

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

 

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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