(Note: In all chain stitches, work behind the vertical bar.)
Step 1: Start with 19 ch, then from 2nd st of hook: 18 sc, turn, 1 ch, 1 ss, 17 sc, turn, 1 ch, 14 sc, sk 1, 1 ss.
Step 2: Work 15 ch, then from 2nd st of hook: 15 sc, 1 ss, turn, 15 sc, turn, 1 ch, 17 sc.