Solved by dkrxkswksrk68

#	Title	# Solved	Avg. Tries
15663	N과 M (9) STANDARD	18,957	2.03
16953	A → B	20,896	2.51
18111	마인크래프트	14,893	4.16
18870	좌표 압축	35,251	2.52

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