C13223313311212111133133313331333132333133112111133132212111113311232323231   >>    C1322331331121211113313331333133313233313311211113313221211111331123232323   <<    C13223313311212111133133313331333132333133112111133132212111113311232323233   >>      C13223313311212111133133313331333132333133112111133132212111113311232323232   >>