Shown with a cast-on count of 2 stitches.  

• Rounds 1, 4, 8, and 13: *Yo, k1, repeat from * (multiple of 2 sts).
• Rounds 2-3, 5-7, 9-12, and 14-18: Knit.
• Round 19: *Ssk, k3, k2tog, yo, k1, yo, repeat from *.
• Round 20: *K5, yo, k3, yo, repeat from * (multiple of 10 sts).
• Round 21: *Ssk, k1, k2tog, yo, k2tog, yo, k1, yo, ssk, yo, repeat from *.
• Round 22: *K3, yo, k2tog, yo, k3, yo, ssk, yo, repeat from * (multiple of 12 sts).
• Round 23: *K3tog tbl, [yo, k2tog] twice, k1, [ssk, yo] twice, repeat from * (multiple of 10 sts).
• Round 24: K2, yo, *ssk, yo, k3tog tbl, yo, k2tog, yo, k3, yo, repeat from * to last 8 sts, ssk, yo, k3tog tbl, yo, k2tog, yo, k1.
• Round 25: *K3, yo, ssk, k1, k2tog, yo, k2, repeat from *.
• Round 26: *K4, yo, k3tog tbl, yo, k3, repeat from *.
• Round 27: *[K1, yo] 4 times, k3tog tbl, [yo, k1] 3 times, yo, repeat from * (multiple of 16 sts).
• Rounds 28 and 34: *K7, k3tog tbl, k6, repeat from * (multiple of 14 sts).
• Round 29: *K6, k2tog, k6, repeat from * (multiple of 13 sts).
• Round 30: *K6, ssk, k5, repeat from * (multiple of 12 sts).
• Round 31: *[K1, yo] 5 times, k3tog tbl, [yo, k1] 4 times, yo, repeat from * (multiple of 20 sts).
• Rounds 32 and 38: *K9, k3tog tbl, k8, repeat from * (multiple of 18 sts).
• Rounds 33 and 39: *K8, k3tog tbl, k7, repeat from * (multiple of 16 sts).
• Round 35: *[K1, yo] 6 times, k3tog tbl, [yo, k1] 5 times, yo, repeat from * (multiple of 24 sts).
• Round 36: *K11, k3tog tbl, k10, repeat from * (multiple of 22 sts).
• Round 37: *K10, k3tog tbl, k9, repeat from * (multiple of 20 sts).
• Round 40: *K1, yo, ssk, k3, k2tog, yo, repeat from *.