select distinct wr_parent from g4_write_BD_today where ca_name='공지' and (wr_num between '-173666' and '-73666') and ( wr_id != '218915' and wr_id != '180447' and wr_id != '135491' and wr_id != '133795' and wr_id != '133792' and wr_id != '125815' and wr_id != '83915' and wr_id != '97' and wr_10 = 'usher' ) order by wr_num, wr_reply limit 0, 15