Shown with a cast-on count of 19 stitches.  

• Row 1 (RS): *K1, k2tog, yo, k1, yo, ssk, repeat from * to last st, k1.
• Rows 2, 4, 6, and 8: Purl.
• Row 3: K2tog, *yo, k3, yo, sl2-k1-p2sso, repeat from * to last 5 sts, yo, k3, yo, ssk.
• Row 5: K1, *yo, ssk, k1, k2tog, yo, k1, repeat from *.
• Row 7: K2, *yo, sl2-k1-p2sso, yo, k3, repeat from * to last 5 sts, yo, sl2-k1-p2sso, yo, k2.
• Repeat rows 1-8.