then it is to turn southward to the ascent of Akrabbim, cross Zin, and then run south of Kadesh-barnea and proceed from there to Hazar-addar and across to Azmon.

proceeding south to the ascent of Akrabbim, then continuing to Zin, and from there up along the south of Kadesh-barnea to Hezron, and from there up to Addar and then to Karka,

The Amorite border extended upward from the Akrabbim Ascent, that is, from Sela.