Shown with a cast-on count of 24 stitches.  

• Row 1 (RS): K2tog, k2, yo, *k1, yo, sl1-k2tog-psso, yo, k1, yo, k3, yo, repeat from * to last 4 sts, k1, yo, ssk, k1 (multiple of 10 sts, plus 8).
• Rows 2, 4, 6, 8, 10, and 12: Purl.
• Row 3: K1, 2-to-5 gather, *sl1-k2tog-psso, k1, sl1-k2tog-psso, 3-to-9 gather, repeat from * to last 5 sts, sl1-k2tog-psso, k2 (multiple of 12 sts, plus 9).
• Row 5: K3, yo, *[sl1-k2tog-psso] 3 times, yo, k3, yo, repeat from * to last 6 sts, sl1-k2tog-psso, k3 (multiple of 8 sts, plus 8).
• Row 7: K1, k2tog, yo, k1, *yo, k3, yo, k1, yo, sl1-k2tog-psso, yo, k1, repeat from * to last 4 sts, yo, k2, ssk (multiple of 10 sts, plus 8).
• Row 9: K2, sl1-k2tog-psso, *3-to-9 gather, sl1-k2tog-psso, k1, sl1-k2tog-psso, repeat from * to last 3 sts, 2-to-5 gather, k1 (multiple of 12 sts, plus 9).
• Row 11: K3, sl1-k2tog-psso, *yo, k3, yo, [sl1-k2tog-psso] 3 times, repeat from * to last 3 sts, yo, k3 (multiple of 8 sts, plus 8).