revert(비교)

		r1 vs r2
1		~~UYu/t35~~nzFKdhplrT~~mvJlm~~u~~9jU~~P~~533QuQkOxMQGb~~H~~APVQto~~SQYG1~~ytA4~~X~~A7Z~~+~~CCN~~
	1	KnBi3KUlWseY7ADHhLp/1bT6HeD1VqOuVPHsSY5dw69nycG0e3Q1THhf++XQv+xv