 The second open portion (, "petuchah") ends here.Moses warned that if they forgot God and followed other gods, then they would certainly perish like the nations that God was going to displace from the land.The third open portion (, "petuchah") ends here with the end of chapter 

Moses warned the Israelites that they were to dispossess nations greater than they, but God would go before them as a devouring fire to drive out the land's inhabitants.