Where would you start?

SELECT * FROM gallery2 WHERE topic_id="137933" UNION SELECT * FROM gallery2 WHERE topic_id="1764592" UNION SELECT * FROM gallery2 WHERE topic_id="270890" UNION SELECT * FROM gallery2 WHERE topic_id="1762767" UNION SELECT * FROM gallery2 WHERE topic_id="1303567" UNION SELECT * FROM gallery2 WHERE topic_id="1294467" UNION SELECT * FROM gallery2 WHERE topic_id="935744" UNION SELECT * FROM gallery2 WHERE topic_id="486883" UNION SELECT * FROM gallery2 WHERE topic_id="1174583" UNION SELECT * FROM gallery2 WHERE topic_id="1155222" UNION SELECT * FROM gallery2 WHERE topic_id="1341134" UNION SELECT * FROM gallery2 WHERE topic_id="331542" UNION SELECT * FROM gallery2 WHERE topic_id="1057318" UNION SELECT * FROM gallery2 WHERE topic_id="572488" UNION SELECT * FROM gallery2 WHERE topic_id="230259" UNION SELECT * FROM gallery2 WHERE topic_id="870193"