Shown with a cast-on count of 2 stitches.  

• Round 1: *Yo, k1, repeat from * (multiple of 2 sts).
• Rounds 2, 4, 6, 8, 10, and 12: Knit.
• Round 3: *Yo, k2, repeat from * (multiple of 3 sts).
• Round 5: *Yo, k3, repeat from * (multiple of 4 sts).
• Round 7: *[Yo, k1] twice, k2tog, repeat from * (multiple of 5 sts).
• Round 9: *Yo, k1, yo, k2, k2tog, repeat from * (multiple of 6 sts).
• Round 11: *Yo, k1, yo, k3, k2tog, repeat from * (multiple of 7 sts).
• Round 13: *Yo, k1, [yo, k2] twice, k2tog, repeat from * (multiple of 9 sts).
• Round 14: *K7, k2tog, repeat from * (multiple of 8 sts).
• Round 15: *Yo, k1, yo, k2, yo, k3, k2tog, repeat from * (multiple of 10 sts).
• Round 16: *K8, k2tog, repeat from * (multiple of 9 sts).
• Round 17: *Yo, k1, yo, k2, yo, k4, k2tog, repeat from * (multiple of 11 sts).
• Round 18: *K9, k2tog, repeat from * (multiple of 10 sts).
• Round 19: *Yo, k1, yo, k2, yo, k5, k2tog, repeat from * (multiple of 12 sts).
• Round 20: *K10, k2tog, repeat from * (multiple of 11 sts).
• Round 21: *Yo, k1, yo, k2, yo, k6, k2tog, repeat from * (multiple of 13 sts).
• Round 22: *K11, k2tog, repeat from * (multiple of 12 sts).
• Round 23: *Yo, k1, yo, k2, yo, k7, k2tog, repeat from * (multiple of 14 sts).
• Round 24: *K12, k2tog, repeat from * (multiple of 13 sts).
• Round 25: *Yo, k1, yo, k2, yo, k8, k2tog, repeat from * (multiple of 15 sts).
• Round 26: *K13, k2tog, repeat from * (multiple of 14 sts).
• Round 27: *Yo, k1, yo, k2, yo, k9, k2tog, repeat from * (multiple of 16 sts).
• Round 28: *K14, k2tog, repeat from * (multiple of 15 sts).
• Round 29: *Yo, k1, yo, k2, yo, k10, k2tog, repeat from * (multiple of 17 sts).
• Round 30: *K15, k2tog, repeat from * (multiple of 16 sts).
• Round 31: *Yo, k1, yo, k2, yo, k11, k2tog, repeat from * (multiple of 18 sts).
• Round 32: *K16, k2tog, repeat from * (multiple of 17 sts).
• Round 33: *Yo, k1, yo, k2, yo, k12, k2tog, repeat from * (multiple of 19 sts).
• Round 34: *K17, k2tog, repeat from * (multiple of 18 sts).
• Round 35: *Yo, k1, yo, k2, yo, k13, k2tog, repeat from * (multiple of 20 sts).
• Round 36: *K18, k2tog, repeat from * (multiple of 19 sts).
• Round 37: *Yo, k1, yo, k2, yo, k14, k2tog, repeat from * (multiple of 21 sts).
• Round 38: *K19, k2tog, repeat from * (multiple of 20 sts).