revert(비교)

		r6 vs r7
1		~~S0QqU~~C~~phiiZ4Q~~n~~Vlzw~~S~~TTzt~~A~~kKJlsdXH/o7mvgvmqrJR~~O~~u2R~~x~~i/ilz3Sl/wfu~~e4b
	1	sKeuajw9u3eRuCWn9amoSASOBx2ebYZUhDEIO3qp44skuNi11YSP8IJrKVX9AUQO