C11112331312111112111133133313331333133313331333133313331333131133131232222331   >>    C1111233131211111211113313331333133313331333133313331333133313113313123222233   <<    C11112331312111112111133133313331333133313331333133313331333131133131232222333   >>      C11112331312111112111133133313331333133313331333133313331333131133131232222332   >>