C312322331333132212111133133313331333131133113313331333131133131133133321231   >>    C31232233133313221211113313331333133313113311331333133313113313113313332123   <<    C312322331333132212111133133313331333131133113313331333131133131133133321233   >>      C312322331333132212111133133313331333131133113313331333131133131133133321232   >>