Shown with a cast-on count of 24 stitches.  

• Rows 1, 3, and 5 (RS): K1, *k2tog, k3, yo, k1, yo, k3, ssk, repeat from * to last st, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, and 18: Purl.
• Rows 7 and 17: K1, *k2tog, k2, yo, k3, yo, k2, ssk, repeat from * to last st, k1.
• Rows 9 and 15: K1, *k2tog, k1, yo, k5, yo, k1, ssk, repeat from * to last st, k1.
• Rows 11 and 13: K1, *[k2tog, yo, k1] twice, yo, ssk, k1, yo, ssk, repeat from * to last st, k1.