Langer's Sudoku Assistant

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

 

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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