Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): *Ssk, [k1, yo] twice, k1, k2tog, repeat from *.
• Rows 2, 4, 6, 8, and 10: Purl.
• Row 3: *Ssk, yo, k3, yo, k2tog, repeat from *.
• Row 5: *K2, yo, sl2-k1-p2sso, yo, k2, repeat from *.
• Row 7: K4, *ssk, k1, [yo, k1] twice, k2tog, repeat from * to last 3 sts, k3.
• Row 9: K3, *ssk, k1, [yo, k1] twice, k2tog, repeat from * to last 4 sts, k4.