be gentle with me please

SELECT * FROM gallery2 WHERE topic_id="823313" UNION SELECT * FROM gallery2 WHERE topic_id="1621593" UNION SELECT * FROM gallery2 WHERE topic_id="1273529" UNION SELECT * FROM gallery2 WHERE topic_id="589606" UNION SELECT * FROM gallery2 WHERE topic_id="1076728" UNION SELECT * FROM gallery2 WHERE topic_id="1773364" UNION SELECT * FROM gallery2 WHERE topic_id="1350050" UNION SELECT * FROM gallery2 WHERE topic_id="750122" UNION SELECT * FROM gallery2 WHERE topic_id="1698716" UNION SELECT * FROM gallery2 WHERE topic_id="1443619" UNION SELECT * FROM gallery2 WHERE topic_id="1279800" UNION SELECT * FROM gallery2 WHERE topic_id="1510228" UNION SELECT * FROM gallery2 WHERE topic_id="428776" UNION SELECT * FROM gallery2 WHERE topic_id="1314213" UNION SELECT * FROM gallery2 WHERE topic_id="123238" UNION SELECT * FROM gallery2 WHERE topic_id="539996"