Shown with a cast-on count of 31 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19 (WS): Purl.
• Row 2: K3, k2tog, *yo, k1, yo, ssk, k5, k2tog, repeat from * to last 6 sts, yo, k1, yo, ssk, k3.
• Row 4: K2, k2tog, *k1, yo, k1, yo, k1, ssk, k3, k2tog, repeat from * to last 7 sts, k1, yo, k1, yo, k1, ssk, k2.
• Row 6: K1, k2tog, *k2, yo, k1, yo, k2, ssk, k1, k2tog, repeat from * to last 8 sts, k2, yo, k1, yo, k2, ssk, k1.
• Row 8: K2tog, *k3, yo, k1, yo, k3, sl2-k1-p2sso, repeat from * to last 9 sts, k3, yo, k1, yo, k3, ssk.
• Rows 10, 14, and 18: K2tog, k2tog, *[yo, k1] 3 times, yo, ssk, sl2-k1-p2sso, k2tog, repeat from * to last 7 sts, [yo, k1] 3 times, yo, ssk, ssk.
• Rows 12, 16, and 20: Knit.