Langer's Sudoku Assistant

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

 

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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