Shown with a cast-on count of 1 stitch.  

• Round 1: Yo, k1, yo (3 sts).
• Round 3: Yo, k1, yo, k1, yo, k1, yo (7 sts).
• Round 5: Yo, k3, yo, k1, yo, k3, yo (11 sts).
• Round 7: Yo, ssk, k2, yo, k1, yo, k1, yo, k1, yo, k2, k2tog, yo (15 sts).
• Round 9: Yo, k1, yo, ssk, k2, yo, k2, yo, k1, yo, k2, yo, k2, k2tog, yo, k1, yo (21 sts).
• Round 11: Yo, k3, yo, ssk, k2, yo, ssk, yo, k1, yo, k1, yo, k1, yo, k2tog, yo, k2, k2tog, yo, k3, yo (27 sts).
• Round 13: K1, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k2, yo, ssk, yo, ssk, yo, k1, yo, k2tog, yo, k2tog, yo, k2, k2tog, yo, k1, yo, sl2-k1-p2sso, yo, k1 (29 sts).
• Round 15: K2, yo, k1, yo, k3, yo, ssk, k2, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k2, k2tog, yo, k3, yo, k1, yo, k2 (33 sts).
• Round 17: K2, yo, k3, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k2, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k2, k2tog, yo, k1, yo, sl2-k1-p2sso, yo, k3, yo, k2 (35 sts).
• Round 19: K2, yo, ssk, k1, k2tog, yo, k1, yo, k3, yo, ssk, k2, yo, ssk, k1, k2tog, yo, k2, k2tog, yo, k3, yo, k1, yo, ssk, k1, k2tog, yo, k2 (37 sts).
• Round 21: K3, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k2, yo, sl2-k1-p2sso, yo, k2, k2tog, yo, k1, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k3.
• Round 23: K4, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, k3, yo, ssk, k5, k2tog, yo, k3, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, k4 (41 sts).
• Round 25: K4, yo, k3, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k1, yo, ssk, k3, k2tog, yo, k1, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k3, yo, k4 (43 sts).
• Round 27: K4, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, k3, yo, ssk, k1, k2tog, yo, k3, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k4 (45 sts).
• Round 29: K5, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k1, yo, sl2-k1-p2sso, yo, k1, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k5.
• Round 31: K6, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, k3, yo, k1, yo, k3, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, k6 (51 sts).
• Round 33: K6, yo, k3, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, sl2-k1-p2sso, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k3, yo, sl2-k1-p2sso, yo, k3, yo, k6.