Shown with a cast-on count of 22 stitches.  

• Rounds 1, 3, and 5: K1, *yo, p1, k1, p1, k1, p1, k1, k2tog, yo, k2tog, repeat from * to last st, k1.
• Rounds 2, 4, and 6: K1, *k1, p1, k1, p1, k1, p1, k1, k1, k1, k1, repeat from * to last st, k1.
• Round 7: K1, *k2, p1, k1, p1, k1, p1, k1, yo, k2tog, repeat from * to last st, k1.
• Rounds 8 and 18: K1, *k2, p1, k1, p1, k1, p1, k3, repeat from * to last st, k1.
• Round 9: K1, *k1, p1, k1, p1, k1, p1, k1, ssk, yo, k1, repeat from * to last st, k1.
• Rounds 10 and 20: K1, *k1, p1, k1, p1, k1, p1, k4, repeat from * to last st, k1.
• Rounds 11, 13, and 15: *Ssk, k1, p1, k1, p1, k1, p1, yo, ssk, yo, repeat from * to last 2 sts, k2.
• Rounds 12, 14, and 16: *K1, k1, p1, k1, p1, k1, p1, k1, k1, k1, repeat from * to last 2 sts, k2.
• Round 17: K1, *k2, p1, k1, p1, k1, p1, ssk, yo, k1, repeat from * to last st, k1.
• Round 19: K1, *k1, p1, k1, p1, k1, p1, k1, k1, yo, k2tog, repeat from * to last st, k1.