revert(비교)

		r7 vs r8
1		~~sKeuajw9u~~3e~~RuC~~W~~n9amoSASOB~~x~~2ebYZ~~U~~hDEIO3qp44sku~~N~~i11YSP8~~IJrKV~~X9AUQO~~
	1	Y13g0IfZoeJcWwRJygy4qtxUmnRQNII7rHQHMIoKfl2dtZRyyfBceVdnVWmSIe2q