C111112111133131121133133313331333132213331333131133131121233132231   >>    C11111211113313112113313331333133313221333133313113313112123313223   <<    C111112111133131121133133313331333132213331333131133131121233132233   >>      C111112111133131121133133313331333132213331333131133131121233132232   >>