Solved by f0f8ff_chesshire

#	Title	# Solved	Avg. Tries
27323	직사각형	21,442	1.15
27866	문자와 문자열 STANDARD	54,179	1.48
28278	스택 2	12,190	2.71
28279	덱 2	6,987	2.00
29731	2033년 밈 투표	2,199	2.12
30664	Loteria Falha	1,207	1.63
30802	Welcome Kit	7,079	1.84
31403	$A + B - C$	8,509	1.57
31450	Everyone is a winner	1,466	1.30
31867	홀짝홀짝	860	1.45

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