Shown with a cast-on count of 21 stitches.  

• Round 1: K1, yo, ssk, k2, k3, k2tog, yo, k1, yo, ssk, k2, k3, k2tog, yo, k1.
• Rounds 2, 4, 6, 8, 10, 12, 14, and 16: Knit.
• Round 3: K2, yo, ssk, k1, k2, k2tog, yo, k3, yo, ssk, k1, k2, k2tog, yo, k2.
• Round 5: K1, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k1, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k1.
• Round 7: K2, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k3, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k2.
• Round 9: K3, k2tog, yo, k1, yo, ssk, k5, k2tog, yo, k1, yo, ssk, k3.
• Round 11: K2, k2tog, yo, k1, k2, yo, ssk, k3, k2tog, yo, k1, k2, yo, ssk, k2.
• Round 13: K1, k2tog, yo, k2tog, yo, k1, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k1, yo, ssk, yo, ssk, k1.
• Round 15: K2tog, yo, k2tog, yo, k1, k2, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k1, k2, yo, ssk, yo, ssk.