Searching for something to slip inside

SELECT * FROM gallery2 WHERE topic_id="1269639" UNION SELECT * FROM gallery2 WHERE topic_id="446956" UNION SELECT * FROM gallery2 WHERE topic_id="1065670" UNION SELECT * FROM gallery2 WHERE topic_id="557128" UNION SELECT * FROM gallery2 WHERE topic_id="1171379" UNION SELECT * FROM gallery2 WHERE topic_id="346295" UNION SELECT * FROM gallery2 WHERE topic_id="349770" UNION SELECT * FROM gallery2 WHERE topic_id="316341" UNION SELECT * FROM gallery2 WHERE topic_id="437494" UNION SELECT * FROM gallery2 WHERE topic_id="560009" UNION SELECT * FROM gallery2 WHERE topic_id="950180" UNION SELECT * FROM gallery2 WHERE topic_id="321805" UNION SELECT * FROM gallery2 WHERE topic_id="810548" UNION SELECT * FROM gallery2 WHERE topic_id="1484109" UNION SELECT * FROM gallery2 WHERE topic_id="265585" UNION SELECT * FROM gallery2 WHERE topic_id="776622"