Langer's Sudoku Assistant

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

 

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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