Langer's Sudoku Assistant

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