Langer's Sudoku Assistant

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

 

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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