C111112111133131121133133313331333132213331333131133133313223313331333131221   >>    C11111211113313112113313331333133313221333133313113313331322331333133313122   <<    C111112111133131121133133313331333132213331333131133133313223313331333131223   >>      C111112111133131121133133313331333132213331333131133133313223313331333131222   >>