Shown with a cast-on count of 39 stitches.  

• Row 1 (RS): K5, k2tog, yo, k1, yo, ssk, k2, [k1, k2tog, yo, k1, yo, ssk, k2] twice, k1, k2tog, yo, k1, yo, ssk, k5.
• Rows 2 and 4: Purl.
• Row 3: K4, k2tog, yo, k3, yo, ssk, k1, [k2tog, yo, k3, yo, ssk, k1] twice, k2tog, yo, k3, yo, ssk, k4.
• Rows 5 and 8: Purl.
• Row 7: K5, yo, ssk, k1, k2tog, yo, k2, [k1, yo, ssk, k1, k2tog, yo, k2] twice, k1, yo, ssk, k1, k2tog, yo, k5.
• Row 9: K6, yo, sl1-k2tog-psso, yo, k3, [k2, yo, sl1-k2tog-psso, yo, k3] twice, k2, yo, sl1-k2tog-psso, yo, k6.