Used

SELECT * FROM gallery2 WHERE topic_id="755391" UNION SELECT * FROM gallery2 WHERE topic_id="323271" UNION SELECT * FROM gallery2 WHERE topic_id="11109" UNION SELECT * FROM gallery2 WHERE topic_id="876859" UNION SELECT * FROM gallery2 WHERE topic_id="771648" UNION SELECT * FROM gallery2 WHERE topic_id="1658867" UNION SELECT * FROM gallery2 WHERE topic_id="755449" UNION SELECT * FROM gallery2 WHERE topic_id="6149" UNION SELECT * FROM gallery2 WHERE topic_id="725124" UNION SELECT * FROM gallery2 WHERE topic_id="705792" UNION SELECT * FROM gallery2 WHERE topic_id="651066" UNION SELECT * FROM gallery2 WHERE topic_id="1148381" UNION SELECT * FROM gallery2 WHERE topic_id="385956" UNION SELECT * FROM gallery2 WHERE topic_id="903540" UNION SELECT * FROM gallery2 WHERE topic_id="89099" UNION SELECT * FROM gallery2 WHERE topic_id="396839"