Check and check

SELECT * FROM gallery2 WHERE topic_id="843221" UNION SELECT * FROM gallery2 WHERE topic_id="1614834" UNION SELECT * FROM gallery2 WHERE topic_id="1824820" UNION SELECT * FROM gallery2 WHERE topic_id="1001855" UNION SELECT * FROM gallery2 WHERE topic_id="165085" UNION SELECT * FROM gallery2 WHERE topic_id="447177" UNION SELECT * FROM gallery2 WHERE topic_id="1696708" UNION SELECT * FROM gallery2 WHERE topic_id="1672067" UNION SELECT * FROM gallery2 WHERE topic_id="1434381" UNION SELECT * FROM gallery2 WHERE topic_id="1285920" UNION SELECT * FROM gallery2 WHERE topic_id="324676" UNION SELECT * FROM gallery2 WHERE topic_id="883226" UNION SELECT * FROM gallery2 WHERE topic_id="694854" UNION SELECT * FROM gallery2 WHERE topic_id="832973" UNION SELECT * FROM gallery2 WHERE topic_id="1300620" UNION SELECT * FROM gallery2 WHERE topic_id="1727180"