Langer's Sudoku Assistant

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

 

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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