Name the Structural Pattern of the following passage:
Alcatraz opened as a federal prison in August 1934. Penitentiaries across the country were notified that Alcatraz was ready to take troublemakers off their hands. On August 19, 1934, 53 prisoners boarded a train in Atlanta, Georgia, for the long ride to California. The inmates arrived on August 22, 1934. By the end of the year, Alcatraz was housing more than 200 of America’s worst criminals.