C32133223331333131133132212111133133313331333131211211233111112312311   >>    C3213322333133313113313221211113313331333133313121121123311111231231   <<    C32133223331333131133132212111133133313331333131211211233111112312313   >>      C32133223331333131133132212111133133313331333131211211233111112312312   >>