C111112111133131121133133313331333133313331323133313331333133313331311312322311   >>    C11111211113313112113313331333133313331333132313331333133313331333131131232231   <<    C111112111133131121133133313331333133313331323133313331333133313331311312322313   >>      C111112111133131121133133313331333133313331323133313331333133313331311312322312   >>