Achievement: Speed I

Uncommon

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Speed I

Finish a collection of 11k or lower with an avg. time of under 15 seconds.*

*The collection must contain at least 100 problems.

Recently completed by

hasan sarıkaya 7k, nodog 7k, Kekker_ 8k, thethirdone 7k, BG.Mono 8k, Tomo 5k, Thomde troy 7k, Charles Heaman 15k, LubenP 2k, keng 2k

and 1918 others.