Langer's Sudoku Assistant

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

 

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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