different compare

SELECT * FROM gallery2 WHERE topic_id="113178" UNION SELECT * FROM gallery2 WHERE topic_id="876936" UNION SELECT * FROM gallery2 WHERE topic_id="343744" UNION SELECT * FROM gallery2 WHERE topic_id="778480" UNION SELECT * FROM gallery2 WHERE topic_id="737744" UNION SELECT * FROM gallery2 WHERE topic_id="1726718" UNION SELECT * FROM gallery2 WHERE topic_id="400550" UNION SELECT * FROM gallery2 WHERE topic_id="1407215" UNION SELECT * FROM gallery2 WHERE topic_id="1559663" UNION SELECT * FROM gallery2 WHERE topic_id="662891" UNION SELECT * FROM gallery2 WHERE topic_id="1052252" UNION SELECT * FROM gallery2 WHERE topic_id="1361602" UNION SELECT * FROM gallery2 WHERE topic_id="614641" UNION SELECT * FROM gallery2 WHERE topic_id="781051" UNION SELECT * FROM gallery2 WHERE topic_id="1664486" UNION SELECT * FROM gallery2 WHERE topic_id="315046"