Langer's Sudoku Assistant

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