These don’t hide much

SELECT * FROM gallery2 WHERE topic_id="1639256" UNION SELECT * FROM gallery2 WHERE topic_id="452245" UNION SELECT * FROM gallery2 WHERE topic_id="613214" UNION SELECT * FROM gallery2 WHERE topic_id="130225" UNION SELECT * FROM gallery2 WHERE topic_id="1496018" UNION SELECT * FROM gallery2 WHERE topic_id="1815867" UNION SELECT * FROM gallery2 WHERE topic_id="928681" UNION SELECT * FROM gallery2 WHERE topic_id="462065" UNION SELECT * FROM gallery2 WHERE topic_id="1069192" UNION SELECT * FROM gallery2 WHERE topic_id="488334" UNION SELECT * FROM gallery2 WHERE topic_id="1089132" UNION SELECT * FROM gallery2 WHERE topic_id="280110" UNION SELECT * FROM gallery2 WHERE topic_id="1104064" UNION SELECT * FROM gallery2 WHERE topic_id="612411" UNION SELECT * FROM gallery2 WHERE topic_id="1316866" UNION SELECT * FROM gallery2 WHERE topic_id="664212"