Flexible

SELECT * FROM gallery2 WHERE topic_id="1778710" UNION SELECT * FROM gallery2 WHERE topic_id="252930" UNION SELECT * FROM gallery2 WHERE topic_id="143248" UNION SELECT * FROM gallery2 WHERE topic_id="1103659" UNION SELECT * FROM gallery2 WHERE topic_id="937990" UNION SELECT * FROM gallery2 WHERE topic_id="1132256" UNION SELECT * FROM gallery2 WHERE topic_id="950764" UNION SELECT * FROM gallery2 WHERE topic_id="877858" UNION SELECT * FROM gallery2 WHERE topic_id="746693" UNION SELECT * FROM gallery2 WHERE topic_id="1446246" UNION SELECT * FROM gallery2 WHERE topic_id="1685928" UNION SELECT * FROM gallery2 WHERE topic_id="272562" UNION SELECT * FROM gallery2 WHERE topic_id="65140" UNION SELECT * FROM gallery2 WHERE topic_id="1226352" UNION SELECT * FROM gallery2 WHERE topic_id="778277" UNION SELECT * FROM gallery2 WHERE topic_id="429538"