Langer's Sudoku Assistant

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