Perfect

SELECT * FROM gallery2 WHERE topic_id="917373" UNION SELECT * FROM gallery2 WHERE topic_id="1435685" UNION SELECT * FROM gallery2 WHERE topic_id="954372" UNION SELECT * FROM gallery2 WHERE topic_id="903144" UNION SELECT * FROM gallery2 WHERE topic_id="1038100" UNION SELECT * FROM gallery2 WHERE topic_id="1014174" UNION SELECT * FROM gallery2 WHERE topic_id="1036664" UNION SELECT * FROM gallery2 WHERE topic_id="125413" UNION SELECT * FROM gallery2 WHERE topic_id="285822" UNION SELECT * FROM gallery2 WHERE topic_id="1130535" UNION SELECT * FROM gallery2 WHERE topic_id="1677589" UNION SELECT * FROM gallery2 WHERE topic_id="1170165" UNION SELECT * FROM gallery2 WHERE topic_id="876436" UNION SELECT * FROM gallery2 WHERE topic_id="809967" UNION SELECT * FROM gallery2 WHERE topic_id="993875" UNION SELECT * FROM gallery2 WHERE topic_id="531072"