Langer's Sudoku Assistant

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