The border of Amorite territory ran from the Scorpion Ascent ¹  to Sela and on up. ² 

extended ¹  south of the Scorpion Ascent, ²  crossed to Zin, went up from the south to Kadesh Barnea, crossed to Hezron, went up to Addar, and turned toward Karka.

and then the border will turn from the south to the Scorpion Ascent, ¹  continue to Zin, and then its direction ²  will be from the south to Kadesh Barnea. Then it will go to Hazar Addar and pass over to Azmon.