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9 Round Spiral. Round 4. Step 6.
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June 28, 2013 at 6:00 AM (UTC)
9 Round Spiral. Round 4. Step 6.
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Jun 28, 2013
Ended 11 years ago
Unknown
1
day
6
Problems
Start time
June 28, 2013 at 6:00 AM (UTC)
End time
June 29, 2013 at 6:00 AM (UTC)
Format
IOI, 6 problems, 1 day
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