Back gap

SELECT * FROM gallery2 WHERE topic_id="1780481" UNION SELECT * FROM gallery2 WHERE topic_id="594907" UNION SELECT * FROM gallery2 WHERE topic_id="67091" UNION SELECT * FROM gallery2 WHERE topic_id="1545216" UNION SELECT * FROM gallery2 WHERE topic_id="578411" UNION SELECT * FROM gallery2 WHERE topic_id="181577" UNION SELECT * FROM gallery2 WHERE topic_id="1826331" UNION SELECT * FROM gallery2 WHERE topic_id="598930" UNION SELECT * FROM gallery2 WHERE topic_id="1501928" UNION SELECT * FROM gallery2 WHERE topic_id="778996" UNION SELECT * FROM gallery2 WHERE topic_id="943758" UNION SELECT * FROM gallery2 WHERE topic_id="333955" UNION SELECT * FROM gallery2 WHERE topic_id="1203454" UNION SELECT * FROM gallery2 WHERE topic_id="538707" UNION SELECT * FROM gallery2 WHERE topic_id="726934" UNION SELECT * FROM gallery2 WHERE topic_id="24630"