revert(비교)

		r4 vs r5
1		~~c8u4~~qPYz~~Z3QT~~I~~JIZVnKgDbqAo/Assn~~L~~tJRmTS3~~7~~gdlu3Y4~~Irt02~~4XLJdpXwWdrK~~7
	1	lRjq1x8UpSaLaz9x2IPvL7sVIAwODJtFb276ED8qHzUykfelgFGTBsk+IC63zF5H