revert(비교)

		r5 vs r7
1		~~lRjq1x8UpS~~a~~Laz~~9~~x2IPvL7sVI~~AwO~~DJtFb~~2~~76E~~D8q~~HzUykfelgFGTB~~sk+I~~C63zF5H~~
	1	sKeuajw9u3eRuCWn9amoSASOBx2ebYZUhDEIO3qp44skuNi11YSP8IJrKVX9AUQO