select * from g4_write_databoard where wr_is_comment = 0 and ( wr_id != '3484' and wr_id != '3483' and wr_id != '3459' and wr_id != '3418' and wr_id != '3322' and wr_id != '3287' and wr_id != '3286' and wr_id != '3283' and wr_id != '3275' and wr_id != '3274' and wr_id != '3272' and wr_id != '3266' and wr_id != '3209' and wr_id != '3021' ) order by wr_num, wr_reply limit 30, 15