Achievement: Speed VIII

Uncommon

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Speed VIII

Finish a collection between 7k and 5k with an avg. time of under 20 seconds.*

*The collection must contain at least 100 problems.

Recently completed by

gughi 2d, Gonchik 2k, Vinceuji 1k, Wolland 2k, Tschej 1d, Hải Võ 5k, Patrick361 1k, DaAffegoat 1k, Gudzumi-8 6k, Victor Ruse 1d

and 316 others.