C312322331333132212111133133313331333131133113313331333131133132323213311221   >>    C31232233133313221211113313331333133313113311331333133313113313232321331122   <<    C312322331333132212111133133313331333131133113313331333131133132323213311223   >>      C312322331333132212111133133313331333131133113313331333131133132323213311222   >>