Shown with a cast-on count of 1 stitch.  

• Round 1: Yo, k1, yo (3 sts).
• Rounds 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, and 26: Knit.
• Round 3: Yo, k3tog, yo.
• Round 5: Yo, k1, yo, k1 tbl, yo, k1, yo (7 sts).
• Round 7: Yo, k3, yo, k1 tbl, yo, k3, yo (11 sts).
• Round 9: Yo, k5, yo, k1 tbl, yo, k5, yo (15 sts).
• Round 11: K7, yo, k1 tbl, yo, k7 (17 sts).
• Round 13: K2, k2tog, yo, k4, yo, k1 tbl, yo, k4, yo, ssk, k2 (19 sts).
• Round 15: Sl1-k2tog-psso, yo, k6, yo, k1 tbl, yo, k6, yo, k3tog.
• Round 17: Ssk, ssk, k1, k2tog, yo, k2, yo, k1 tbl, yo, k2, yo, ssk, k1, k2tog, k2tog (17 sts).
• Round 19: K1, sl1-k2tog-psso, yo, k9, yo, k3tog, k1 (15 sts).
• Round 21: Sl1-k2tog-psso, ssk, k5, k2tog, k3tog (9 sts).
• Round 23: K1, ssk, k3, k2tog, k1 (7 sts).
• Round 25: K1, ssk, k1, k2tog, k1 (5 sts).
• Round 27: K1, k3tog, k1 (3 sts).