revert(비교)

		r6 vs r8
1		S0~~QqUCphii~~Z~~4QnVlz~~w~~STTztAkK~~J~~lsdXH/o7mv~~gvmqrJROu2R~~xi/ilz3Sl/w~~fue4b
	1	Y13g0IfZoeJcWwRJygy4qtxUmnRQNII7rHQHMIoKfl2dtZRyyfBceVdnVWmSIe2q