C111112111133131121133133313331333133313331323133313331333133313233213331333311   >>    C11111211113313112113313331333133313331333132313331333133313331323321333133331   <<    C111112111133131121133133313331333133313331323133313331333133313233213331333313   >>      C111112111133131121133133313331333133313331323133313331333133313233213331333312   >>