C111112111133131121133133313331333133313331312111133133313232212222311   >>    C11111211113313112113313331333133313331333131211113313331323221222231   <<    C111112111133131121133133313331333133313331312111133133313232212222313   >>      C111112111133131121133133313331333133313331312111133133313232212222312   >>