Stacked

SELECT * FROM gallery2 WHERE topic_id="1265656" UNION SELECT * FROM gallery2 WHERE topic_id="773084" UNION SELECT * FROM gallery2 WHERE topic_id="200238" UNION SELECT * FROM gallery2 WHERE topic_id="577046" UNION SELECT * FROM gallery2 WHERE topic_id="18076" UNION SELECT * FROM gallery2 WHERE topic_id="401447" UNION SELECT * FROM gallery2 WHERE topic_id="1629460" UNION SELECT * FROM gallery2 WHERE topic_id="1463742" UNION SELECT * FROM gallery2 WHERE topic_id="299784" UNION SELECT * FROM gallery2 WHERE topic_id="256517" UNION SELECT * FROM gallery2 WHERE topic_id="621439" UNION SELECT * FROM gallery2 WHERE topic_id="1821227" UNION SELECT * FROM gallery2 WHERE topic_id="1119342" UNION SELECT * FROM gallery2 WHERE topic_id="821778" UNION SELECT * FROM gallery2 WHERE topic_id="1194574" UNION SELECT * FROM gallery2 WHERE topic_id="13299"