Shown with a cast-on count of 23 stitches.  

• Row 1 (RS): Yo, k3tog, yo, k1, k3tog, [k3, yo] twice, k3, sl1-k2tog-psso, k1, yo, sl1-k2tog-psso, yo (21 sts).
• Rows 2, 4, 6, 8, 10, and 12: Purl.
• Row 3: Yo, k3tog, yo, k2tog, yo, k2, k2tog, yo, k3, yo, ssk, k2, yo, ssk, yo, sl1-k2tog-psso, yo.
• Row 5: Yo, k3tog, yo, k2tog, yo, k3tog, yo, k1, yo, k3, yo, k1, yo, sl1-k2tog-psso, yo, ssk, yo, sl1-k2tog-psso, yo.
• Row 7: Yo, k3tog, yo, k1, [k2tog, yo] twice, k1, yo, sl1-k2tog-psso, yo, k1, [yo, ssk] twice, k1, yo, sl1-k2tog-psso, yo.
• Row 9: Yo, k3tog, yo, [k2tog, yo] twice, k2, yo, k3tog, yo, k2, [yo, ssk] twice, yo, sl1-k2tog-psso, yo.
• Row 11: Yo, k3tog, yo, k2tog, yo, k1, k3tog, 3-to-9 gather, sl1-k2tog-psso, k1, yo, ssk, yo, sl1-k2tog-psso, yo (23 sts).