Shown with a cast-on count of 31 stitches.  

• Row 1 (RS): K3, yo, k3, yo, k2tog, k1, yo, k2tog, k1, k2tog, yo, k1, k2tog, yo, k3, yo, k2tog, k4, k2tog, yo, k3 (32 sts).
• Row 2: K32.
• Row 3: K3, yo, k5, yo, k2tog, k1, yo, sl1-k2tog-psso, yo, k1, k2tog, yo, k5, yo, k2tog, k3, k2tog, yo, k3 (33 sts).
• Row 4: K33.
• Row 5: K3, yo, k1, k2tog, yo, k1, yo, k2tog, k1, yo, k2tog, k3, k2tog, yo, k1, k2tog, yo, k1, yo, k2tog, k1, yo, k2tog, k2, k2tog, yo, k3 (34 sts).
• Row 6: K34.
• Row 7: K3, yo, k1, k2tog, yo, k3, yo, k2tog, k1, yo, k2tog, k1, k2tog, yo, k1, k2tog, yo, k3, yo, k2tog, k1, yo, k2tog, k1, k2tog, yo, k3 (35 sts).
• Row 8: K35.
• Row 9: K3, yo, k1, k2tog, yo, k5, yo, k2tog, k1, yo, sl1-k2tog-psso, yo, k1, k2tog, yo, k5, yo, k2tog, k1, yo, [k2tog] twice, yo, k3 (36 sts).
• Rows 10, 12, 14, 16, 18, 20, and 22: K36.
• Row 11: K3, yo, [k2tog] twice, yo, k4, k2tog, yo, k2tog, k1, yo, k1, yo, [k2tog] twice, yo, k4, k2tog, yo, k2tog, k1, yo, k1, k2tog, yo, k3.
• Row 13: K4, yo, k2tog, k1, yo, k2tog, k1, k2tog, yo, k1, k2tog, yo, k3, yo, k2tog, k1, yo, k2tog, k1, k2tog, yo, k1, k2tog, yo, k2, k2tog, yo, k3.
• Row 15: K5, yo, k2tog, k1, yo, sl1-k2tog-psso, yo, k1, k2tog, yo, k5, yo, k2tog, k1, yo, sl1-k2tog-psso, yo, k1, k2tog, yo, k3, k2tog, yo, k3.
• Row 17: K6, yo, k2tog, k3, k2tog, yo, k1, k2tog, yo, k1, yo, k2tog, k1, yo, k2tog, k3, k2tog, yo, k4, k2tog, yo, k3.
• Row 19: K7, yo, k2tog, k1, k2tog, yo, k1, k2tog, yo, k3, yo, k2tog, k1, yo, k2tog, k1, k2tog, yo, k5, k2tog, yo, k3.
• Row 21: K8, yo, sl1-k2tog-psso, yo, k1, k2tog, yo, k5, yo, k2tog, k1, yo, sl1-k2tog-psso, yo, k6, k2tog, yo, k3.
• Row 23: BO 6 sts, k2tog, yo, k1, yo, [k2tog] twice, yo, k4, k2tog, yo, k2tog, k1, yo, k1, yo, k2tog, k5, k2tog, yo, k3 (30 sts).
• Row 24: K27, M1L, k3 (31 sts).