SELECT * FROM sdb_articles WHERE ifpub='1' AND article_id<29489 and node_id = (select node_id from sdb_articles where article_id=29489) ORDER BY article_id DESC LIMIT 0,1SELECT * FROM sdb_articles WHERE ifpub='1' AND article_id<1770 and node_id = (select node_id from sdb_articles where article_id=1770) ORDER BY article_id DESC LIMIT 0,1SELECT * FROM sdb_articles WHERE ifpub='1' AND article_id<31849 and node_id = (select node_id from sdb_articles where article_id=31849) ORDER BY article_id DESC LIMIT 0,1SELECT * FROM sdb_articles WHERE ifpub='1' AND article_id<4326 and node_id = (select node_id from sdb_articles where article_id=4326) ORDER BY article_id DESC LIMIT 0,1SELECT * FROM sdb_articles WHERE ifpub='1' AND article_id<-227169 and node_id = (select node_id from sdb_articles where article_id=-227169) ORDER BY article_id DESC LIMIT 0,1
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