Veins are matching

SELECT * FROM gallery2 WHERE topic_id="843092" UNION SELECT * FROM gallery2 WHERE topic_id="81913" UNION SELECT * FROM gallery2 WHERE topic_id="544082" UNION SELECT * FROM gallery2 WHERE topic_id="335045" UNION SELECT * FROM gallery2 WHERE topic_id="789393" UNION SELECT * FROM gallery2 WHERE topic_id="770242" UNION SELECT * FROM gallery2 WHERE topic_id="417845" UNION SELECT * FROM gallery2 WHERE topic_id="928989" UNION SELECT * FROM gallery2 WHERE topic_id="375976" UNION SELECT * FROM gallery2 WHERE topic_id="280262" UNION SELECT * FROM gallery2 WHERE topic_id="1754223" UNION SELECT * FROM gallery2 WHERE topic_id="1661385" UNION SELECT * FROM gallery2 WHERE topic_id="615845" UNION SELECT * FROM gallery2 WHERE topic_id="347268" UNION SELECT * FROM gallery2 WHERE topic_id="828077" UNION SELECT * FROM gallery2 WHERE topic_id="1546324"