revert(비교)

		r4 vs r8
1		~~c8u4qP~~YzZ3QTIJIZ~~VnKgDbqA~~o~~/AssnLt~~JR~~mTS37~~g~~dlu3Y~~4Irt02~~4XLJ~~d~~pXwW~~d~~rK7~~
	1	Y13g0IfZoeJcWwRJygy4qtxUmnRQNII7rHQHMIoKfl2dtZRyyfBceVdnVWmSIe2q