In position

SELECT * FROM gallery2 WHERE topic_id="1146525" UNION SELECT * FROM gallery2 WHERE topic_id="48793" UNION SELECT * FROM gallery2 WHERE topic_id="938169" UNION SELECT * FROM gallery2 WHERE topic_id="1181749" UNION SELECT * FROM gallery2 WHERE topic_id="825355" UNION SELECT * FROM gallery2 WHERE topic_id="1472014" UNION SELECT * FROM gallery2 WHERE topic_id="292263" UNION SELECT * FROM gallery2 WHERE topic_id="37925" UNION SELECT * FROM gallery2 WHERE topic_id="1450280" UNION SELECT * FROM gallery2 WHERE topic_id="1311139" UNION SELECT * FROM gallery2 WHERE topic_id="842453" UNION SELECT * FROM gallery2 WHERE topic_id="1509336" UNION SELECT * FROM gallery2 WHERE topic_id="1764762" UNION SELECT * FROM gallery2 WHERE topic_id="636449" UNION SELECT * FROM gallery2 WHERE topic_id="326201" UNION SELECT * FROM gallery2 WHERE topic_id="1368310"