Langer's Sudoku Assistant

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