Shown with a cast-on count of 3 stitches.  

• Round 1: K1, yo, k1, yo, k1 (5 sts).
• Round 3: K1, yo, (k1, p1) in next st, k1, (p1, k1) in next st, yo, k1 (9 sts).
• Round 5: K1, yo, k2tog, 1-to-4 inc, k1, 1-to-4 inc, ssk, yo, k1 (15 sts).
• Round 7: K1, yo, k2tog, (p1, k1) in next st, k3, k1, k3, (k1, p1) in next st, ssk, yo, k1 (17 sts).
• Round 9: K1, yo, k2tog, (p1, k1) in next st, k4, k1, k4, (k1, p1) in next st, ssk, yo, k1 (19 sts).
• Round 11: K1, yo, k2tog, (p1, k1) in next st, kfb, k3, k3tog, k3, kfb, (k1, p1) in next st, k2tog, yo, k1 (21 sts).
• Round 13: K1, yo, (p1, k1) in next st, k1, (k1, p1) in next st, ssk, kfb, k2, k3tog, k2, kfb, k2tog, (p1, k1) in next st, k1, (k1, p1) in next st, yo, k1 (25 sts).
• Round 15: K1, yo, k1, (p1, k1) in next st, k1, k1, k1, (k1, p1) in next st, ssk, kfb, k1, k3tog, k1, kfb, k2tog, (p1, k1) in next st, k1, k1, k1, (k1, p1) in next st, k1, yo, k1 (29 sts).
• Round 17: K1, k2tog, (p1, k1) in next st, k1, k1, k1, k1, k1, (k1, p1) in next st, ssk, kfb, k3tog, kfb, k2tog, (p1, k1) in next st, k1, k1, k1, k1, k1, (k1, p1) in next st, ssk, k1.
• Rounds 19, 35, 51, 67, 83, 99, 115, and 131: K2tog, (p1, k1) in next st, kfb, k1, k1, k1, k1, k1, kfb, (k1, p1) in next st, ssk, k3tog, k2tog, (p1, k1) in next st, kfb, k1, k1, k1, k1, k1, kfb, (k1, p1) in next st, ssk (31 sts).
• Rounds 21, 37, 53, 69, 85, 101, 117, and 133: K1, (k1, p1) in next st, ssk, kfb, k1, k3tog, k1, kfb, k2tog, 1-to-4 inc, k3tog, 1-to-4 inc, ssk, kfb, k1, k3tog, k1, kfb, k2tog, (p1, k1) in next st, k1 (33 sts).
• Rounds 23, 39, 55, 71, 87, 103, 119, and 135: K1, k1, (k1, p1) in next st, ssk, kfb, k3tog, kfb, k2tog, (p1, k1) in next st, k3, k1, k3, (k1, p1) in next st, ssk, kfb, k3tog, kfb, k2tog, (p1, k1) in next st, k1, k1.
• Rounds 25, 41, 57, 73, 89, 105, 121, and 137: K1, k1, k1, (k1, p1) in next st, ssk, k3tog, k2tog, (p1, k1) in next st, k4, k1, k4, (k1, p1) in next st, ssk, k3tog, k2tog, (p1, k1) in next st, k1, k1, k1 (29 sts).
• Rounds 27, 43, 59, 75, 91, 107, 123, and 139: K1, k1, k1, kfb, (k1, p1) in next st, k3tog, (p1, k1) in next st, kfb, k3, k3tog, k3, kfb, (k1, p1) in next st, k3tog, (p1, k1) in next st, kfb, k1, k1, k1 (31 sts).
• Rounds 29, 45, 61, 77, 93, 109, and 125: K2tog, k1, kfb, k2tog, (p1, k1) in next st, k1, (k1, p1) in next st, ssk, kfb, k2, k3tog, k2, kfb, k2tog, (p1, k1) in next st, k1, (k1, p1) in next st, ssk, kfb, k1, ssk.
• Rounds 31, 47, 63, 79, 95, 111, and 127: K2tog, kfb, k2tog, (p1, k1) in next st, k1, k1, k1, (k1, p1) in next st, ssk, kfb, k1, k3tog, k1, kfb, k2tog, (p1, k1) in next st, k1, k1, k1, (k1, p1) in next st, ssk, kfb, ssk.
• Rounds 33, 49, 65, 81, 97, 113, and 129: K2tog, k2tog, (p1, k1) in next st, k1, k1, k1, k1, k1, (k1, p1) in next st, ssk, kfb, k3tog, kfb, k2tog, (p1, k1) in next st, k1, k1, k1, k1, k1, (k1, p1) in next st, ssk, ssk (29 sts).