C13223313311212111133133313331333132333133313331333213331323121   >>    C1322331331121211113313331333133313233313331333133321333132312   <<    C13223313311212111133133313331333132333133313331333213331323123   >>      C13223313311212111133133313331333132333133313331333213331323122   >>