C312322331333132212111133133313331333131133113313331333133313311211113313123121   >>    C31232233133313221211113313331333133313113311331333133313331331121111331312312   <<    C312322331333132212111133133313331333131133113313331333133313311211113313123123   >>      C312322331333132212111133133313331333131133113313331333133313311211113313123122   >>