natural spread

SELECT * FROM gallery2 WHERE topic_id="243195" UNION SELECT * FROM gallery2 WHERE topic_id="607665" UNION SELECT * FROM gallery2 WHERE topic_id="591647" UNION SELECT * FROM gallery2 WHERE topic_id="606586" UNION SELECT * FROM gallery2 WHERE topic_id="1066369" UNION SELECT * FROM gallery2 WHERE topic_id="336531" UNION SELECT * FROM gallery2 WHERE topic_id="1187171" UNION SELECT * FROM gallery2 WHERE topic_id="629044" UNION SELECT * FROM gallery2 WHERE topic_id="1754596" UNION SELECT * FROM gallery2 WHERE topic_id="1044714" UNION SELECT * FROM gallery2 WHERE topic_id="42734" UNION SELECT * FROM gallery2 WHERE topic_id="146751" UNION SELECT * FROM gallery2 WHERE topic_id="1400278" UNION SELECT * FROM gallery2 WHERE topic_id="267554" UNION SELECT * FROM gallery2 WHERE topic_id="562483" UNION SELECT * FROM gallery2 WHERE topic_id="1619346"