Shown with a cast-on count of 22 stitches.  

• Rows 1 and 9 (RS): *K2tog, yo, p2, k3, p2, yo, ssk, repeat from *.
• Rows 2, 4, 6, and 8: Purl.
• Rows 3 and 11: *K3, p1, yo, sl2-k1-p2sso, yo, p1, k3, repeat from *.
• Rows 5 and 13: *K1, k2tog, yo, k5, yo, ssk, k1, repeat from *.
• Rows 7 and 15: *K1, yo, k2tog, k1, yo, p3tog, yo, k1, ssk, yo, k1, repeat from *.
• Row 10: *P4, k3, p4, repeat from *.
• Rows 12 and 16: *P5, k1, p5, repeat from *.
• Row 14: *P3, k5, p3, repeat from *.