Langer's Sudoku Assistant

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

 

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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