Langer's Sudoku Assistant

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