 Complete the following phrase:  The four core original settlements of Gush Etzion were Kfar Etzion founded in 1943, Massuot Yitzhak 1945, Ein Tzurim 1946 and Revadim 1947; the land area of all four were located within the village boundaries of Khirbet Beit Zakariyyah. From November 29, 1947, Kfar Etzion was under siege and cut off from Jerusalem. On May 13, 1948, when the village surrendered, 127 Jewish inhabitants 