【THE WITNESS】It's just drawing lines, how hard can i...
好長,能補多少算多少
逆序數對🐑雲
逆序數對🐑雲
labyrinth n. 迷宮
逆序數對🐑雲
notoriously difficult 草
逆序數對🐑雲
wacky adj. 古怪的