Langer's Sudoku Assistant

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

 

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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