Langer's Sudoku Assistant

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

 

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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