Question: The Flowers of Evil was serialized between 2009 and 2014 in a manga magazine that was started in what month?
Sentence (from "Bessatsu Shōnen Magazine"): Bessatsu Shōnen Magazine (Japanese: 別冊少年マガジン , Hepburn: Bessatsu Shōnen Magajin ) is a Japanese monthly manga magazine published by Kōdansha.
Relevant evidence: Yes