revert(비교)

		r1 vs r8
1		UY~~u/t~~3~~5nzFKdhplrTmv~~J~~lmu9j~~U~~P533~~Q~~uQkOxMQGb~~H~~APV~~Qto~~SQYG1y~~t~~A4XA7~~Z~~+CCN~~
	1	Y13g0IfZoeJcWwRJygy4qtxUmnRQNII7rHQHMIoKfl2dtZRyyfBceVdnVWmSIe2q