Shown with a cast-on count of 9 stitches.  

• Row 1 (RS): K3, yo, sl2-k1-p2sso, yo, k3.
• Rows 2, 4, 6, 8, and 10: Knit.
• Row 3: K2, yo, ssk, knit to last 4 sts, k2tog, yo, k2.
• Row 5: K1, yo, ssk, k1, kfb, k1, k2tog, yo, k1 (10 sts).
• Row 7: Yo, sl1-k2tog-psso, k1, kfb, yo, kfb, k1, k3tog, yo (11 sts).
• Row 9: Yo, k3tog, k5, sl1-k2tog-psso, yo (9 sts).
• Row 11: K1, yo, k2tog, k3, ssk, yo, k1.