Shown with a cast-on count of 30 stitches.  

• Row 1 (RS): K1 PB, yo, [k1, yo] 29 times (60 sts).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 22: Purl.
• Row 3: K2, yo, k2, ssk, yo, k4, ssk, yo, k2, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, [yo, k2tog, k4] twice, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, yo, k2tog, k4, yo, k2tog, k3, yo, k2tog, k2, yo, k2tog, k5 (61 sts).
• Row 5: K1, yo, k2, yo, k1, ssk, yo, k4, ssk, yo, k4, [yo, k2tog, k4] twice, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, [yo, k2tog, k4] twice, [yo, k2tog, k2] 3 times, k3 (63 sts).
• Row 7: K1 PB, yo, k4, ssk, yo, k1, yo, sl1-k2tog-psso PB, yo, ssk, yo, k6, yo, k2tog, k4, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, [yo, k2tog, k4] twice, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, yo, k2tog, k1, yo, k2tog, k2, yo, k2tog, k1, yo, sl1-k2tog-psso PB, yo, k1 (64 sts).
• Row 9: K2, yo, k3, ssk, yo, k4, ssk, yo, k2, yo, k2tog, k4, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, [yo, k2tog, k4] twice, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, yo, k2tog, k4, [yo, k2tog] twice, k2, yo, k2tog, k5 (65 sts).
• Row 11: K1, yo, k2, yo, k2, ssk, yo, k4, ssk, yo, ssk, yo, k2, [yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, [yo, k2tog, k4] twice] twice, [yo, k2tog, k3] twice, k2 (67 sts).
• Row 13: K1, yo, k5, ssk, yo, k1, yo, sl1-k2tog-psso PB, yo, ssk, yo, k1, ssk, yo, k3, [[yo, k2tog, k4] twice, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1] twice, yo, k2tog, k2, yo, k2tog, k1, yo, sl1-k2tog-psso PB, yo, k1 (68 sts).
• Row 15: K2, yo, k4, ssk, yo, k4, ssk, yo, k2, ssk, yo, k4, [yo, k2tog, k4, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, yo, k2tog, k4] twice, yo, k2tog, k1, yo, k2tog, k5 (69 sts).
• Row 17: K1, yo, k2, yo, k3, ssk, yo, k4, ssk, yo, k3, ssk, yo, k2, ssk, yo, k1, [yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, [yo, k2tog, k4] twice] twice, [yo, k2tog] twice, k5 (71 sts).
• Row 19: K1 PB, yo, k6, ssk, yo, k1, yo, sl1-k2tog-psso PB, yo, ssk, yo, [ssk, yo, k2] 3 times, [[yo, k2tog, k4] twice, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1] twice, yo, k2tog, k2, yo, sl1-k2tog-psso PB, yo, k1 (72 sts).
• Row 21: K2, yo, k5, ssk, yo, k4, ssk, yo, k1, [ssk, yo, k2] 3 times, k1, [yo, k2tog, k4, yo, k2tog, yo, sl1-k2tog-psso PB, yo, k1, yo, k2tog, k4] twice, yo, k2tog, k5 (73 sts).