Langer's Sudoku Assistant

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

 

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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