Langer's Sudoku Assistant

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