Which hole first?

SELECT * FROM gallery2 WHERE topic_id="1750539" UNION SELECT * FROM gallery2 WHERE topic_id="1781629" UNION SELECT * FROM gallery2 WHERE topic_id="980727" UNION SELECT * FROM gallery2 WHERE topic_id="1216633" UNION SELECT * FROM gallery2 WHERE topic_id="68960" UNION SELECT * FROM gallery2 WHERE topic_id="618131" UNION SELECT * FROM gallery2 WHERE topic_id="1298684" UNION SELECT * FROM gallery2 WHERE topic_id="1581652" UNION SELECT * FROM gallery2 WHERE topic_id="739286" UNION SELECT * FROM gallery2 WHERE topic_id="951879" UNION SELECT * FROM gallery2 WHERE topic_id="952599" UNION SELECT * FROM gallery2 WHERE topic_id="669486" UNION SELECT * FROM gallery2 WHERE topic_id="85592" UNION SELECT * FROM gallery2 WHERE topic_id="1110816" UNION SELECT * FROM gallery2 WHERE topic_id="964702" UNION SELECT * FROM gallery2 WHERE topic_id="1569731"