select distinct wr_parent from g4_write_board01 where ca_name='K-Usher2' and (wr_num between '-35546' and '64454') and ( wr_id != '121052' and wr_id != '120457' and wr_id != '119614' and wr_id != '119356' and wr_id != '118686' and wr_id != '118288' and wr_id != '117738' and wr_id != '115932' and wr_id != '115801' and wr_id != '115782' and wr_id != '113985' and wr_id != '112845' and wr_id != '112844' and wr_id != '112843' and wr_id != '112837' and wr_id != '112835' and wr_id != '112833' and wr_id != '112827' and wr_id != '112826' and wr_id != '112822' and wr_id != '112816' and wr_id != '112813' and wr_id != '112809' and wr_id != '112808' and wr_id != '112804' and wr_id != '112801' and wr_id != '112799' and wr_id != '112796' and wr_id != '112788' and wr_id != '112787' and wr_id != '112782' and wr_id != '112780' and wr_id != '112779' and wr_id != '112778' and wr_id != '112761' and wr_id != '112760' and wr_id != '112759' and wr_id != '112756' and wr_id != '112754' and wr_id != '112751' and wr_id != '112749' and wr_id != '112748' and wr_id != '112747' and wr_id != '112743' and wr_id != '112740' and wr_id != '112739' and wr_id != '112737' and wr_id != '112736' and wr_id != '112733' and wr_id != '112732' and wr_id != '112730' and wr_id != '112724' and wr_id != '112721' and wr_id != '112719' and wr_id != '112716' and wr_id != '112715' and wr_id != '112709' and wr_id != '112706' and wr_id != '112702' and wr_id != '112689' and wr_id != '112687' and wr_id != '112686' and wr_id != '112685' and wr_id != '112684' and wr_id != '112680' and wr_id != '112677' and wr_id != '112672' and wr_id != '112670' and wr_id != '112666' and wr_id != '112658' and wr_id != '112657' and wr_id != '112654' and wr_id != '112650' and wr_id != '112628' and wr_id != '112627' and wr_id != '112588' and wr_id != '23629' and wr_id != '23628' and wr_id != '23625' and wr_id != '23624' and wr_id != '23610' and wr_id != '22661' and wr_id != '21250' and wr_id != '8993' ) order by wr_num, wr_reply limit 30, 15