Solved by arandine

#	Title	# Solved	Avg. Tries
11969	Breed Counting	920	1.46
11974	Subsequences Summing to Sevens	392	2.57
14455	Don't Be Last!	451	3.16
23324	어려운 모든 정점 쌍 최단 거리	284	2.10

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