Solved by ism128

#	Title	# Solved	Avg. Tries
11720	숫자의 합 STANDARD	133,743	1.78
14681	Quadrant Selection STANDARD	161,510	1.64
15552	빠른 A+B STANDARD	133,078	2.20
18108	1998년생인 내가 태국에서는 2541년생?!	131,505	1.57

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