Langer's Sudoku Assistant

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

 

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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