Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): *Yo, k2tog, k5, ssk, yo, k1, repeat from *.
• Rows 2, 4, 6, 10, 12, 14, and 18: Purl.
• Row 3: *K1, yo, k2tog, k3, ssk, yo, k2, repeat from *.
• Row 5: *K2, yo, k2tog, k1, ssk, yo, k3, repeat from *.
• Row 9: *K3, yo, sl2-k1-p2sso, yo, k4, repeat from *.
• Row 11: *K2, ssk, yo, k1, yo, k2tog, k3, repeat from *.
• Row 13: *K1, ssk, k1, yo, k1, yo, k1, k2tog, k2, repeat from *.
• Row 17: *Ssk, k2, yo, k1, yo, k2, k2tog, k1, repeat from *.