Langer's Sudoku Assistant

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