Langer's Sudoku Assistant

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