Shown with a cast-on count of 22 stitches.  

• Row 1 (RS): K2, yo, p2tog, k1, yo, p2tog, k6, yo, p2tog, k2, [[yo] twice, k2tog] twice, k1 (24 sts).
• Row 2: Sl1 wyif, k2, p1, k2, p1, k2, yo, p2tog, k9, yo, p2tog, k2.
• Row 3: K2, yo, p2tog, k2, yo, p2tog, k5, yo, p2tog, k4, [[yo] twice, k2tog] twice, k1 (26 sts).
• Row 4: Sl1 wyif, k2, p1, k2, p1, k4, yo, p2tog, k9, yo, p2tog, k2.
• Row 5: K2, yo, p2tog, k3, yo, p2tog, k4, yo, p2tog, k6, [[yo] twice, k2tog] twice, k1 (28 sts).
• Row 6: Sl1 wyif, k2, p1, k2, p1, k6, yo, p2tog, k9, yo, p2tog, k2.
• Row 7: K2, yo, p2tog, k4, yo, p2tog, k3, yo, p2tog, k8, [[yo] twice, k2tog] twice, k1 (30 sts).
• Row 8: Sl1 wyif, k2, p1, k2, p1, k8, yo, p2tog, k9, yo, p2tog, k2.
• Row 9: K2, yo, p2tog, k5, yo, p2tog, k2, yo, p2tog, k15.
• Row 10: BO 8 sts, k6, yo, p2tog, k9, yo, p2tog, k2 (22 sts).
• Row 11: K2, yo, p2tog, k6, yo, p2tog, k1, yo, p2tog, k2, [[yo] twice, k2tog] twice, k1 (24 sts).
• Row 12: Sl1 wyif, k2, p1, k2, p1, k2, yo, p2tog, k1, yo, k2tog, k6, yo, p2tog, k2.
• Row 13: K2, yo, p2tog, k9, yo, p2tog, k4, [[yo] twice, k2tog] twice, k1 (26 sts).
• Row 14: Sl1 wyif, k2, p1, k2, p1, k4, yo, p2tog, k2, yo, p2tog, k5, yo, p2tog, k2.
• Row 15: K2, yo, p2tog, k9, yo, p2tog, k6, [[yo] twice, k2tog] twice, k1 (28 sts).
• Row 16: Sl1 wyif, k2, p1, k2, p1, k6, yo, p2tog, k3, yo, p2tog, k4, yo, p2tog, k2.
• Row 17: K2, yo, p2tog, k9, yo, p2tog, k8, [yo] twice, k2tog, [yo] twice, k2tog, k1 (30 sts).
• Row 18: Sl1 wyif, k2, p1, k2, p1, k8, yo, p2tog, k4, yo, p2tog, k3, yo, p2tog, k2.
• Row 19: K2, yo, p2tog, k9, yo, p2tog, k15.
• Row 20: BO 8 sts, k6, yo, p2tog, k5, yo, p2tog, k2, yo, p2tog, k2 (22 sts).