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larticho's achievement

Speed II

Finish a collection of 11k or lower with an avg. time of under 10 seconds.*

Uncommon

*The collection must contain at least 100 problems.

Recently completed by

KeimaCorner 9k,

Mehmet Selçuk Saygılı 7k,

Antonio Parisi 6k,

Anežka Bukovská 1d,

Marcello Virzì 12k,

PatTheBaker 8k,

Michael Traut 1k,

and 1157 others.