Langer's Sudoku Assistant

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

 

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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