Proportional

SELECT * FROM gallery2 WHERE topic_id="1674982" UNION SELECT * FROM gallery2 WHERE topic_id="972102" UNION SELECT * FROM gallery2 WHERE topic_id="353869" UNION SELECT * FROM gallery2 WHERE topic_id="665010" UNION SELECT * FROM gallery2 WHERE topic_id="410246" UNION SELECT * FROM gallery2 WHERE topic_id="1610276" UNION SELECT * FROM gallery2 WHERE topic_id="601850" UNION SELECT * FROM gallery2 WHERE topic_id="1334419" UNION SELECT * FROM gallery2 WHERE topic_id="293814" UNION SELECT * FROM gallery2 WHERE topic_id="908913" UNION SELECT * FROM gallery2 WHERE topic_id="772647" UNION SELECT * FROM gallery2 WHERE topic_id="1729965" UNION SELECT * FROM gallery2 WHERE topic_id="739926" UNION SELECT * FROM gallery2 WHERE topic_id="877951" UNION SELECT * FROM gallery2 WHERE topic_id="1256332" UNION SELECT * FROM gallery2 WHERE topic_id="1524090"