Langer's Sudoku Assistant

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

 

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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