ELLIPSE MOTIF Ch4, ss in first ch to form a loop.
ROUND 1 RS Ch3 (counts as tr), 15tr in loop, ss to top of beg ch-3. [16 tr]
ROUND 2 Ch1 (does not count as st), *dc in next 3 sts, htr in next st, tr in next st, (tr, ch2, tr) in next st, tr in next st, htr in next st; rep from * once more, ss to beg dc. [18