Langer's Sudoku Assistant

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

 

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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