Shown with a cast-on count of 28 stitches.  

• Row 1 (WS): P28.
• Row 2: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k2, k2tog, yo, k1, yo, k2 (29 sts).
• Rows 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 23: Purl.
• Row 4: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k1, kfb, k2tog, yo, k2, yo, k2 (31 sts).
• Row 6: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k2, kfb, k2tog, yo, k3, yo, k2 (33 sts).
• Row 8: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k3, kfb, k2tog, yo, k3, k2tog, k1.
• Row 10: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k4, kfb, k2tog, yo, k2, k2tog, k1.
• Row 12: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k5, kfb, k2tog, yo, k1, k2tog, k1.
• Row 14: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k1, yo, k3, k2tog, kfb, k2tog, yo, k1, yo, k2 (35 sts).
• Row 16: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k1, yo, k3, k2tog, k1, kfb, k2tog, yo, k2, yo, k2 (37 sts).
• Row 18: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k1, yo, k3, k2tog, k2, kfb, k2tog, yo, k3, yo, k2 (39 sts).
• Row 20: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k1, yo, k3, k2tog, k3, kfb, k2tog, yo, k3, k2tog, k1.
• Row 22: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k1, yo, k3, k2tog, k4, kfb, k2tog, yo, k2, k2tog, k1.
• Row 24: Sl1 wyif, k4, ssk, k3, yo, k1, yo, k3, k2tog, ssk, k3, yo, k1, yo, k3, k2tog, k5, kfb, k2tog, yo, k1, k2tog, k1.