revert(비교)

		r2 vs r6
1		~~KnB~~i3KUlWs~~eY7AD~~H~~hLp~~/~~1bT6HeD1V~~qOu~~VPHs~~S~~Y5d~~w~~69nycG0e3Q1THh~~f~~++XQv+xv~~
	1	S0QqUCphiiZ4QnVlzwSTTztAkKJlsdXH/o7mvgvmqrJROu2Rxi/ilz3Sl/wfue4b