Langer's Sudoku Assistant

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