Need someone to clean this up💦💦 (OC)

SELECT * FROM gallery2 WHERE topic_id="156299" UNION SELECT * FROM gallery2 WHERE topic_id="1697195" UNION SELECT * FROM gallery2 WHERE topic_id="1710467" UNION SELECT * FROM gallery2 WHERE topic_id="79052" UNION SELECT * FROM gallery2 WHERE topic_id="949335" UNION SELECT * FROM gallery2 WHERE topic_id="645093" UNION SELECT * FROM gallery2 WHERE topic_id="1709227" UNION SELECT * FROM gallery2 WHERE topic_id="20100" UNION SELECT * FROM gallery2 WHERE topic_id="1309623" UNION SELECT * FROM gallery2 WHERE topic_id="351027" UNION SELECT * FROM gallery2 WHERE topic_id="933341" UNION SELECT * FROM gallery2 WHERE topic_id="1786079" UNION SELECT * FROM gallery2 WHERE topic_id="948628" UNION SELECT * FROM gallery2 WHERE topic_id="383687" UNION SELECT * FROM gallery2 WHERE topic_id="1743697" UNION SELECT * FROM gallery2 WHERE topic_id="1239761"