revert(비교)

		r2 vs r10
1		~~KnBi3KUlWseY7ADHhLp/~~1b~~T6He~~D1V~~qOuV~~P~~HsSY5dw6~~9nycG0e~~3Q1T~~H~~hf++XQv+~~xv
	1	10bOdqDQaT3Z0Vx72P9NUUJyZxWJxxHvaZWDQdi/XfcMfeWaYH3/aB90xLCzDzVA