Langer's Sudoku Assistant

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

 

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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