ðeɪ fˈaʊnd tˈuː dˈɪtʃᵻz ɹˈʌnɪŋ ˈiːst wˈɛst ɔnðə nˈɔːɹθ sˈaɪd ʌv kˈɑːɹɾɚ lˈeɪn, bᵻtwˌiːn fˈɪfti tˈuː sˈɪksti sˈɪks, ɪntˈɜːpɹɪɾᵻd æz ðə sˈʌðɚn dᵻfˈɛnsᵻz ʌvðə tˈaʊɚ.
They found two ditches running east–west on the north side of Carter Lane, between 52–66, interpreted as the southern defences of the tower.