Langer's Sudoku Assistant

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

 

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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