C22213331333133313112331323133313331333133313232111133131133131133211   >>    C2221333133313331311233132313331333133313331323211113313113313113321   <<    C22213331333133313112331323133313331333133313232111133131133131133213   >>      C22213331333133313112331323133313331333133313232111133131133131133212   >>