Shown with a cast-on count of 2 stitches.  

• Round 1: K2.
• Round 3: [K1, yo] twice (4 sts).
• Rounds 5 and 7: Knit.
• Round 9: Yo, k4 (5 sts).
• Round 11: Yo, k1 tbl, yo, k4 (7 sts).
• Round 13: Yo, k3, yo, ssk, k2tog.
• Round 15: Yo, k2tog, yo, k1 tbl, yo, ssk, yo, ssk (8 sts).
• Round 17: Yo, k2tog, k1, yo, k1 tbl, yo, k1, ssk, yo, k1 tbl (10 sts).
• Round 19: Yo, k2tog, k2, yo, k1 tbl, yo, k2, ssk, yo, k1 tbl (12 sts).
• Round 21: Yo, k2tog, k3, yo, k1 tbl, yo, k3, ssk, yo, k1 tbl (14 sts).
• Round 23: [K2tog] twice, k2, yo, k1 tbl, yo, k2, [ssk] twice, yo, k1 tbl, yo.
• Round 25: K11, yo, k3, yo (16 sts).
• Round 27: Ssk, k7, k2tog, yo, ssk, yo, k1, yo, k2tog, yo.
• Round 29: Ssk, k5, k2tog, yo, ssk, yo, k3, yo, k2tog, yo.
• Round 31: Ssk, k3, k2tog, yo, [ssk, yo] twice, k1, yo, [k2tog, yo] twice.
• Round 33: Ssk, k1, k2tog, [yo, k2] twice, yo, k1, (k1, p1) in next st, k1, [yo, k2] twice, yo (21 sts).