Shown with a cast-on count of 31 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, and 17 (WS): Purl.
• Rows 2, 8, and 14: K1, [yo, ssk, k1, yo, sl2-k1-p2sso, yo, k1, k2tog, yo, k1] 3 times.
• Rows 4, 10, and 16: K3, [yo, ssk, k1, k2tog, yo, k5] twice, yo, ssk, k1, k2tog, yo, k3.
• Rows 6, 12, and 18: K2, [yo, ssk, k3, k2tog, yo, k3] twice, yo, ssk, k3, k2tog, yo, k2.