size comparison

SELECT * FROM gallery2 WHERE topic_id="557060" UNION SELECT * FROM gallery2 WHERE topic_id="1427838" UNION SELECT * FROM gallery2 WHERE topic_id="221546" UNION SELECT * FROM gallery2 WHERE topic_id="67282" UNION SELECT * FROM gallery2 WHERE topic_id="387531" UNION SELECT * FROM gallery2 WHERE topic_id="1163308" UNION SELECT * FROM gallery2 WHERE topic_id="1761253" UNION SELECT * FROM gallery2 WHERE topic_id="1790874" UNION SELECT * FROM gallery2 WHERE topic_id="153325" UNION SELECT * FROM gallery2 WHERE topic_id="1100050" UNION SELECT * FROM gallery2 WHERE topic_id="1564754" UNION SELECT * FROM gallery2 WHERE topic_id="497374" UNION SELECT * FROM gallery2 WHERE topic_id="1335949" UNION SELECT * FROM gallery2 WHERE topic_id="164603" UNION SELECT * FROM gallery2 WHERE topic_id="1783048" UNION SELECT * FROM gallery2 WHERE topic_id="1593944"