Shown with a cast-on count of 31 stitches.  

• Rows 0, 2, 4, 6, 8, 10, 12, and 14 (WS): Purl.
• Row 1: K2, *k3, yo, sl1-k2tog-psso, yo, k6, repeat from * to last 5 sts, k3, yo, ssk.
• Row 3: Kfb, (k1, yo, k1) in next st, *sl1-k2tog-psso, k3, sl1-k2tog-psso, 3-to-9 gather, repeat from * to last 5 sts, sl1-k2tog-psso, k2 (multiple of 14 sts, plus 8).
• Row 5: K2, yo, k3, *ssk, k1, k2tog, [k3, yo] twice, k3, repeat from * to last 3 sts, ssk, k1.
• Row 7: K2, yo, k1, yo, sl1-k2tog-psso, *[sl1-k2tog-psso] twice, yo, k1, yo, k3, yo, k1, yo, sl1-k2tog-psso, repeat from * to last 2 sts, ssk (multiple of 12 sts, plus 7).
• Row 9: K2tog, yo, k3, *k6, yo, sl1-k2tog-psso, yo, k3, repeat from * to last 2 sts, k2.
• Row 11: K2, sl1-k2tog-psso, *3-to-9 gather, sl1-k2tog-psso, k3, sl1-k2tog-psso, repeat from * to last 2 sts, ctr dbl inc, kfb (multiple of 14 sts, plus 8).
• Row 13: K1, k2tog, *[k3, yo] twice, k3, ssk, k1, k2tog, repeat from * to last 5 sts, k3, yo, k2.
• Row 15: K2tog, *sl1-k2tog-psso, yo, k1, yo, k3, yo, k1, yo, [sl1-k2tog-psso] twice, repeat from * to last 6 sts, sl1-k2tog-psso, yo, k1, yo, k2 (multiple of 12 sts, plus 7).