Solved by shibainu

#	Title	# Solved	Avg. Tries
23971	ZOAC 4	4,750	2.06
9020	Goldbach’s Conjecture	27,867	2.54
5073	Triangles	21,520	2.11
1929	소수 구하기	64,471	3.54
1759	Securing the Barn	27,773	2.23

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