Langer's Sudoku Assistant

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

 

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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