C111112111133131121133133313331333132213331333131133133313221312323221   >>    C11111211113313112113313331333133313221333133313113313331322131232322   <<    C111112111133131121133133313331333132213331333131133133313221312323223   >>      C111112111133131121133133313331333132213331333131133133313221312323222   >>