Shown with a cast-on count of 19 stitches.  

• Row 1 (RS): K2, *yo, sl1-k2tog-psso, yo, k3, repeat from * to last 5 sts, yo, sl1-k2tog-psso, yo, k2.
• Rows 2, 4, 6, and 8: Purl.
• Row 3: K1, *k2tog, yo, k1, yo, ssk, k1, repeat from *.
• Row 5: Ssk, yo, k3, *yo, sl1-k2tog-psso, yo, k3, repeat from * to last 2 sts, yo, k2tog.
• Row 7: K1, *yo, ssk, k1, k2tog, yo, k1, repeat from *.