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Jintana Jitjum's achievement

Speed IV

Finish a collection between 10k and 8k with an avg. time of under 18 seconds.*

Uncommon

*The collection must contain at least 100 problems.

Recently completed by

hasan sarıkaya 8k,

TemirNiazbekov 3d,

Lincoln Liu 3k,

Алексей Пирожков 5k,

jonathan lardillier 4k,

and 538 others.