Langer's Sudoku Assistant

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