Potential

SELECT * FROM gallery2 WHERE topic_id="236276" UNION SELECT * FROM gallery2 WHERE topic_id="1561938" UNION SELECT * FROM gallery2 WHERE topic_id="313319" UNION SELECT * FROM gallery2 WHERE topic_id="1726456" UNION SELECT * FROM gallery2 WHERE topic_id="247826" UNION SELECT * FROM gallery2 WHERE topic_id="21496" UNION SELECT * FROM gallery2 WHERE topic_id="1407603" UNION SELECT * FROM gallery2 WHERE topic_id="221374" UNION SELECT * FROM gallery2 WHERE topic_id="1103186" UNION SELECT * FROM gallery2 WHERE topic_id="1610968" UNION SELECT * FROM gallery2 WHERE topic_id="1081051" UNION SELECT * FROM gallery2 WHERE topic_id="1549043" UNION SELECT * FROM gallery2 WHERE topic_id="1225660" UNION SELECT * FROM gallery2 WHERE topic_id="901822" UNION SELECT * FROM gallery2 WHERE topic_id="1242908" UNION SELECT * FROM gallery2 WHERE topic_id="204228"