Langer's Sudoku Assistant

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

 

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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