C11112331312111112111133133313331333132323213331333131333131133133313113322311   >>    C1111233131211111211113313331333133313232321333133313133313113313331311332231   <<    C11112331312111112111133133313331333132323213331333131333131133133313113322313   >>      C11112331312111112111133133313331333132323213331333131333131133133313113322312   >>