Israel in 1948 accepted borders as defined in Resolution 181. So Israels borders are known even though they pedantically dispute it. Resolution 238 and 242 makes any exchanges a matter of choice for the Palestinians as it is legally their territory. So you could argue that Palestine does not have to swap any territory and can simply demand the settlers are removed from their territory due to their illegality under International Law.
Egypt to hold parliamentary election in 2 phases starting Oct 18-19 (Reuters)
from the article: Palestinians distribute draft resolution on UN status upgrade