C13223313311212111133133313331333132333133112111133132233313111   >>    C1322331331121211113313331333133313233313311211113313223331311   <<    C13223313311212111133133313331333132333133112111133132233313113   >>      C13223313311212111133133313331333132333133112111133132233313112   >>