revert(비교)

		r2 vs r8
1		~~KnBi~~3~~KUlWs~~eY7ADH~~hLp/1bT6~~HeD1V~~qOuVPHsSY5~~d~~w69~~n~~ycG0~~e~~3Q1THhf++XQv+xv~~
	1	Y13g0IfZoeJcWwRJygy4qtxUmnRQNII7rHQHMIoKfl2dtZRyyfBceVdnVWmSIe2q