Shown with a cast-on count of 1 stitch.  

• Round 1: K1.
• Rounds 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36: Knit.
• Round 3: K1, yo (2 sts).
• Round 5: K1, yo, k1, yo (4 sts).
• Round 7: K1, yo, k3, yo (6 sts).
• Round 9: K1, yo, k5, yo (8 sts).
• Round 11: K1, yo, k7, yo (10 sts).
• Round 13: K1, yo, k9, yo (12 sts).
• Rounds 15 and 25: Ssk, yo, k3, sl1-k2tog-psso, k3, yo, k1, yo.
• Rounds 17 and 27: Ssk, yo, k2, sl1-k2tog-psso, k2, yo, k3, yo.
• Round 19: Ssk, yo, k1, sl1-k2tog-psso, k1, yo, k5, yo.
• Round 21: Ssk, yo, sl1-k2tog-psso, yo, k7, yo.
• Round 23: Sl1-k2tog-psso, yo, k9, yo.
• Round 29: Ssk, yo, k1, sl1-k2tog-psso, k1, yo, k1, yo, sl1-k2tog-psso, yo, k1, yo.
• Round 31: Ssk, yo, sl1-k2tog-psso, yo, k3, yo, k1, yo, k3, yo (14 sts).
• Round 33: Sl1-k2tog-psso, yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, ssk, yo.
• Round 35: K1, yo, sl1-k2tog-psso, yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, sl1-k2tog-psso, yo, k1, yo, k1, yo (16 sts).