So considerate

SELECT * FROM gallery2 WHERE topic_id="812273" UNION SELECT * FROM gallery2 WHERE topic_id="11212" UNION SELECT * FROM gallery2 WHERE topic_id="1503635" UNION SELECT * FROM gallery2 WHERE topic_id="612499" UNION SELECT * FROM gallery2 WHERE topic_id="144463" UNION SELECT * FROM gallery2 WHERE topic_id="1482421" UNION SELECT * FROM gallery2 WHERE topic_id="1152198" UNION SELECT * FROM gallery2 WHERE topic_id="781610" UNION SELECT * FROM gallery2 WHERE topic_id="406037" UNION SELECT * FROM gallery2 WHERE topic_id="710158" UNION SELECT * FROM gallery2 WHERE topic_id="307359" UNION SELECT * FROM gallery2 WHERE topic_id="817808" UNION SELECT * FROM gallery2 WHERE topic_id="717869" UNION SELECT * FROM gallery2 WHERE topic_id="143826" UNION SELECT * FROM gallery2 WHERE topic_id="1183183" UNION SELECT * FROM gallery2 WHERE topic_id="646432"