revert(비교)

		r2 vs r1
1		~~KnBi3K~~U~~lWse~~Y~~7ADH~~hLp~~/1b~~T~~6HeD1VqO~~uVPHsSY~~5dw69nyc~~G~~0e3Q~~1~~THhf++~~XQv+xv
	1	UYu/t35nzFKdhplrTmvJlmu9jUP533QuQkOxMQGbHAPVQtoSQYG1ytA4XA7Z+CCN