Shown with a cast-on count of 2 stitches.  

• Round 1: K1, k1.
• Round 3: K1, yo, k1 (3 sts).
• Round 5: K1, yo, k1, yo, k1 (5 sts).
• Round 7: K1, k1, yo, yo, k1, yo, yo, k1, k1 (9 sts).
• Round 9: K1, k2, yo, k1, yo, k1, yo, k1, yo, k2, k1 (13 sts).
• Round 11: Yo, ssk, k2, yo, k1, k1, yo, k1, yo, k1, k1, yo, k2, k2tog, yo (17 sts).
• Round 13: K1, yo, ssk, k2, yo, ssk, yo, k1, yo, k1, yo, k1, yo, k2tog, yo, k2, k2tog, yo, k1 (21 sts).
• Round 15: K2, yo, ssk, k2, yo, ssk, yo, k1, k1, yo, k1, yo, k1, k1, yo, k2tog, yo, k2, k2tog, yo, k2 (25 sts).
• Round 17: K3, yo, ssk, k2, yo, ssk, yo, ssk, yo, k1, yo, k1, yo, k1, yo, k2tog, yo, k2tog, yo, k2, k2tog, yo, k3 (29 sts).
• Round 19: K4, yo, ssk, k2, yo, ssk, yo, ssk, yo, ssk, yo, k1, yo, k2tog, yo, k2tog, yo, k2tog, yo, k2, k2tog, yo, k4 (31 sts).
• Round 21: K5, yo, ssk, k2, yo, ssk, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k2tog, yo, k2, k2tog, yo, k5.
• Round 23: K6, yo, ssk, k2, yo, ssk, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k2tog, yo, k2, k2tog, yo, k6.
• Round 25: K7, yo, ssk, k2, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k2, k2tog, yo, k7.
• Round 27: K8, yo, ssk, k2, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k2, k2tog, yo, k8.
• Round 29: K9, yo, ssk, k2, yo, ssk, k1, k2tog, yo, k2, k2tog, yo, k9.
• Round 31: K10, yo, ssk, k2, yo, sl2-k1-p2sso, yo, k2, k2tog, yo, k10.
• Round 33: K11, yo, ssk, k5, k2tog, yo, k11.
• Round 35: K12, yo, ssk, k3, k2tog, yo, k12.
• Round 37: K13, yo, ssk, k1, k2tog, yo, k13.
• Round 39: K14, yo, sl2-k1-p2sso, yo, k14.
• Round 41: K15, yo, k1, yo, k15 (33 sts).
• Round 43: K16, k1, k16.