revert(비교)

		r3 vs r1
1		~~aXC1B~~t~~iyVoXRvpVb~~F~~/MIsf+MZ1U+Q~~dyUf5eP0W1H4~~adDu8nqFehWJHaFsDM~~A~~qjDW~~
	1	UYu/t35nzFKdhplrTmvJlmu9jUP533QuQkOxMQGbHAPVQtoSQYG1ytA4XA7Z+CCN