C111112111133131121133133313331311331333133313331322331333211221   >>    C11111211113313112113313331333131133133313331333132233133321122   <<    C111112111133131121133133313331311331333133313331322331333211223   >>      C111112111133131121133133313331311331333133313331322331333211222   >>