Solved by sus1226

#	Title	# Solved	Avg. Tries
17433	Mysterious Number	307	2.03
17626	Four Squares	12,587	2.29
18110	solved.ac	11,087	4.01
18111	마인크래프트	15,283	4.15
18870	좌표 압축	36,420	2.51

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