Langer's Sudoku Assistant

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