번호	제목
7870	Accountant notes
7871	Better and faster!
7872	Cave
7873	Decision
7874	Everybody may get lost in space
7875	(False) faces
7876	Garlands
7877	Hypervisor MacrOS
7878	Islands
7879	Jack’s socks
7880	Knowledge for the masses
7881	YAPTCHA
7882	Skyscrapers
7883	Business Cards
7884	Museum
7885	Morphing is fun
7886	Tower
7887	Suffix reconstruction
7888	두 교수
7889	힙 세기