revert(비교)

		r1 vs r7
1		~~UYu/t35nzF~~K~~dhplrTmvJlm~~u9j~~UP5~~33QuQkOx~~MQG~~b~~HAPVQtoSQ~~Y~~G1ytA~~4XA~~7Z+CCN~~
	1	sKeuajw9u3eRuCWn9amoSASOBx2ebYZUhDEIO3qp44skuNi11YSP8IJrKVX9AUQO