Solved by syb98baek

#	Title	# Solved	Avg. Tries
28419	더하기	393	2.08
28432	Shiritori	1,316	3.69
29751	Triangle	4,361	1.43
30224	Lucky 7	2,050	1.31
30599	Divisibility Trick	103	1.59
31450	Everyone is a winner	1,954	1.30
31822	재수강	1,208	1.26
31994	강당 대관	987	1.26

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