C13223313311212111133133313331333132333133313331333131133211113121   >>    C1322331331121211113313331333133313233313331333133313113321111312   <<    C13223313311212111133133313331333132333133313331333131133211113123   >>      C13223313311212111133133313331333132333133313331333131133211113122   >>