Langer's Sudoku Assistant

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