Langer's Sudoku Assistant

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

 

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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