Langer's Sudoku Assistant

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

 

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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