revert(비교)

		r8 vs r2
1		Y13~~g0IfZoeJcWwRJygy4qtx~~U~~mnRQNII~~7rHQH~~MIoKfl2dtZRyyfBc~~eVdnVWmSIe2q
	1	KnBi3KUlWseY7ADHhLp/1bT6HeD1VqOuVPHsSY5dw69nycG0e3Q1THhf++XQv+xv