Shown with a cast-on count of 36 stitches.  

• Round 1: *K1, yo, ssk, ssk, yo, k2tog, yo, ssk, k2tog, yo, ssk, yo, k2tog, k2tog, yo, k1, repeat from * (multiple of 16 sts).
• Round 2: *K4, kfb, k6, kfb, k4, repeat from * (multiple of 18 sts).
• Round 3: *K2, yo, k2tog, k3, k2tog, yo, ssk, k3, ssk, yo, k2, repeat from * (multiple of 17 sts).
• Rounds 4 and 6: *K8, kfb, k8, repeat from * (multiple of 18 sts).
• Round 5: *K3, yo, ssk, k3tog, yo, k1, yo, k1, yo, sl1-k2tog-psso, k2tog, yo, k3, repeat from * (multiple of 17 sts).
• Round 7: *K4, k2tog, yo, k6, yo, ssk, k4, repeat from *.
• Rounds 8 and 12: Knit.
• Round 9: *K3, k2tog, yo, k1, sl2-k1-p2sso, yo, sl2-k1-p2sso, k1, yo, ssk, k3, repeat from * (multiple of 15 sts).
• Round 10: *K4, kfb, k1, kfb, k2, kfb, k5, repeat from * (multiple of 18 sts).
• Round 11: *K2, yo, k2tog, k10, ssk, yo, k2, repeat from *.