Langer's Sudoku Assistant

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