Solved by whiterisi

#	Title	# Solved	Avg. Tries
17626	Four Squares	12,422	2.28
18111	마인크래프트	15,146	4.15
18429	근손실	3,321	1.55
18787	Mad Scientist	535	1.45
18870	좌표 압축	36,041	2.51
25304	영수증	80,352	1.80

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