revert(비교)

		r10 vs r7
1		~~10bOdqDQ~~a~~T3Z0Vx72P~~9~~NUUJyZxWJxxHvaZWDQdi/XfcMf~~eWa~~YH3/a~~B90x~~LCz~~DzVA
	1	sKeuajw9u3eRuCWn9amoSASOBx2ebYZUhDEIO3qp44skuNi11YSP8IJrKVX9AUQO