Solved by lein

#	Title	# Solved	Avg. Tries
15953	상금 헌터	6,792	2.67
16406	Exam	263	1.32
16688	Contest Setting	61	1.25
17509	And the Winner Is... Ourselves!	834	1.14
18258	큐 2	30,458	3.04
18870	좌표 압축	35,465	2.51

134567