Langer's Sudoku Assistant

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

 

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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