C111112111133131121133133313331333132213331333131133131323323233121   >>    C11111211113313112113313331333133313221333133313113313132332323312   <<    C111112111133131121133133313331333132213331333131133131323323233123   >>      C111112111133131121133133313331333132213331333131133131323323233122   >>