Agnipurana 106.2

106.2

abhyarcya vāstu nagaraṃ prākārādyantu kārayet /
īśāditriṃśatpadake pūrvadvāraṃ ca sūryake //

Having worshipped the site, one should construct the city, the ramparts, and the like. / In a grid of thirty-two plots beginning from Īśa, [place] the eastern gate at Sūrya;