Shown with a cast-on count of 11 stitches.  

• Row 1 (RS): K4, yo, k1, p1, k1, yo, k4 (13 sts).
• Row 2: K6, p1, k6.
• Row 3: K4, yo, k1, yo, k1, p1, k1, yo, k1, yo, k4 (17 sts).
• Row 4: K8, p1, k8.
• Row 5: K5, yo, k1, yo, k2, purl to last 8 sts, k2, yo, k1, yo, k5 (21 sts).
• Row 6: K10, p1, k10.
• Row 7: K6, yo, k1, yo, k3, p1, k3, yo, k1, yo, k6 (25 sts).
• Row 8: K12, p1, k12.
• Rows 9 and 17: K1, p2, k6, k2tog, yo, k1, p1, k1, yo, ssk, k6, p2, k1.
• Rows 10, 12, 14, 16, 18, 20, 22, and 24: P1, k2, p9, k1, p9, k2, p1.
• Rows 11 and 19: K1, p2, k4, k3tog, [yo, k1] twice, p1, [k1, yo] twice, sl1-k2tog-psso, k4, p2, k1.
• Rows 13 and 21: K1, p2, k2, k3tog, [k1, yo] twice, k2, p1, k2, [yo, k1] twice, sl1-k2tog-psso, k2, p2, k1.
• Rows 15 and 23: K1, p2, k3tog, k2, yo, k1, yo, k3, p1, k3, yo, k1, yo, k2, sl1-k2tog-psso, p2, k1.