C13223313311212111133133313331333132333133112111133132212111113123121   >>    C1322331331121211113313331333133313233313311211113313221211111312312   <<    C13223313311212111133133313331333132333133112111133132212111113123123   >>      C13223313311212111133133313331333132333133112111133132212111113123122   >>