Would you help me with the rest?

SELECT * FROM gallery2 WHERE topic_id="864215" UNION SELECT * FROM gallery2 WHERE topic_id="615706" UNION SELECT * FROM gallery2 WHERE topic_id="898811" UNION SELECT * FROM gallery2 WHERE topic_id="973590" UNION SELECT * FROM gallery2 WHERE topic_id="482094" UNION SELECT * FROM gallery2 WHERE topic_id="458548" UNION SELECT * FROM gallery2 WHERE topic_id="1527120" UNION SELECT * FROM gallery2 WHERE topic_id="1216394" UNION SELECT * FROM gallery2 WHERE topic_id="1376343" UNION SELECT * FROM gallery2 WHERE topic_id="1271823" UNION SELECT * FROM gallery2 WHERE topic_id="967355" UNION SELECT * FROM gallery2 WHERE topic_id="936047" UNION SELECT * FROM gallery2 WHERE topic_id="1291323" UNION SELECT * FROM gallery2 WHERE topic_id="311387" UNION SELECT * FROM gallery2 WHERE topic_id="1364242" UNION SELECT * FROM gallery2 WHERE topic_id="1413210"