C13223313311212111133133313331333132333133112111133132212111112312233231   >>    C1322331331121211113313331333133313233313311211113313221211111231223323   <<    C13223313311212111133133313331333132333133112111133132212111112312233233   >>      C13223313311212111133133313331333132333133112111133132212111112312233232   >>