Langer's Sudoku Assistant

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

 

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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