Hard

SELECT * FROM gallery2 WHERE topic_id="1470742" UNION SELECT * FROM gallery2 WHERE topic_id="1337970" UNION SELECT * FROM gallery2 WHERE topic_id="787774" UNION SELECT * FROM gallery2 WHERE topic_id="1152494" UNION SELECT * FROM gallery2 WHERE topic_id="209521" UNION SELECT * FROM gallery2 WHERE topic_id="404980" UNION SELECT * FROM gallery2 WHERE topic_id="839460" UNION SELECT * FROM gallery2 WHERE topic_id="241983" UNION SELECT * FROM gallery2 WHERE topic_id="1812649" UNION SELECT * FROM gallery2 WHERE topic_id="691688" UNION SELECT * FROM gallery2 WHERE topic_id="690527" UNION SELECT * FROM gallery2 WHERE topic_id="443451" UNION SELECT * FROM gallery2 WHERE topic_id="53242" UNION SELECT * FROM gallery2 WHERE topic_id="168218" UNION SELECT * FROM gallery2 WHERE topic_id="877558" UNION SELECT * FROM gallery2 WHERE topic_id="1421259"