Langer's Sudoku Assistant

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