C111112111133131121133133313331333132213331333131133133313233313122331   >>    C11111211113313112113313331333133313221333133313113313331323331312233   <<    C111112111133131121133133313331333132213331333131133133313233313122333   >>      C111112111133131121133133313331333132213331333131133133313233313122332   >>