Shown with a cast-on count of 11 stitches.  

• Row 1 (RS): Purl.
• Rows 2, 8, and 14: Knit.
• Row 3: P1, ctr dbl inc, *p3, ctr dbl inc, repeat from * to last st, p1 (multiple of 6 sts, plus 5).
• Rows 4 and 6: K1, *p3, k3, repeat from * to last 4 sts, p3, k1.
• Row 5: P1, k3, *p3, k3, repeat from * to last st, p1.
• Row 7: P1, p3tog, *p3, p3tog, repeat from * to last st, p1 (multiple of 4 sts, plus 3).
• Row 9: P2, *p1, ctr dbl inc, p2, repeat from * to last st, p1 (multiple of 6 sts, plus 3).
• Rows 10 and 12: K1, *k2, p3, k1, repeat from * to last 2 sts, k2.
• Row 11: P2, *p1, k3, p2, repeat from * to last st, p1.
• Row 13: P2, *p1, p3tog, p2, repeat from * to last st, p1 (multiple of 4 sts, plus 3).
• Repeat rows 2-13.