Langer's Sudoku Assistant

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

 

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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