Langer's Sudoku Assistant

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