C312322331333132212111133133313331333131133113313331333131133132323213123121   >>    C31232233133313221211113313331333133313113311331333133313113313232321312312   <<    C312322331333132212111133133313331333131133113313331333131133132323213123123   >>      C312322331333132212111133133313331333131133113313331333131133132323213123122   >>