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Five for week 16
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December 26, 2011 at 7:59 AM (UTC)

Five for week 16

Upsolve
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Dec 26, 2011
Ended 14 years ago
Unknown
5.5
days
6
Problems
Start time
December 26, 2011 at 7:59 AM (UTC)
End time
December 31, 2011 at 7:59 PM (UTC)
Format
IOI, 6 problems, 5.5 days
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