Ladder

SELECT * FROM gallery2 WHERE topic_id="788084" UNION SELECT * FROM gallery2 WHERE topic_id="341060" UNION SELECT * FROM gallery2 WHERE topic_id="81438" UNION SELECT * FROM gallery2 WHERE topic_id="421050" UNION SELECT * FROM gallery2 WHERE topic_id="1753795" UNION SELECT * FROM gallery2 WHERE topic_id="491304" UNION SELECT * FROM gallery2 WHERE topic_id="136554" UNION SELECT * FROM gallery2 WHERE topic_id="781888" UNION SELECT * FROM gallery2 WHERE topic_id="117793" UNION SELECT * FROM gallery2 WHERE topic_id="1590735" UNION SELECT * FROM gallery2 WHERE topic_id="1094297" UNION SELECT * FROM gallery2 WHERE topic_id="1286392" UNION SELECT * FROM gallery2 WHERE topic_id="945503" UNION SELECT * FROM gallery2 WHERE topic_id="1244570" UNION SELECT * FROM gallery2 WHERE topic_id="1116968" UNION SELECT * FROM gallery2 WHERE topic_id="500668"