Cover with plastic wrap, then a towel. Let rest 20 minutes. Divide dough into 4 equal pieces. Roll 3 pieces into ropes 14 inches long. Braid together on a greased baking sheet.
Tuck ends under to seal.
Divide remaining piece into 3 equal pieces. Roll into ropes 9 inches long. Place the small braid on the large braid. Tuck ends under to seal. Divide dough in half.