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Five for week 17 (2012-2013)
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January 7, 2013 at 8:00 AM (UTC)
Five for week 17 (2012-2013)
Upsolve
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Jan 7, 2013
Ended 13 years ago
Unknown
5.5
days
5
Problems
Start time
January 7, 2013 at 8:00 AM (UTC)
End time
January 12, 2013 at 8:00 PM (UTC)
Format
IOI, 5 problems, 5.5 days
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