Shown with a cast-on count of 23 stitches.  

• Rows 1 and 9 (RS): Knit.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: Purl.
• Rows 3 and 7: *K2, k2tog, yo, k4, repeat from * to last 7 sts, k2, k2tog, yo, k3.
• Row 5: *K1, k2tog, yo, k1, yo, ssk, k2, repeat from * to last 7 sts, k1, k2tog, yo, k1, yo, ssk, k1.
• Rows 11 and 15: K4, *k2, k2tog, yo, k4, repeat from * to last 3 sts, k3.
• Row 13: K4, *k1, k2tog, yo, k1, yo, ssk, k2, repeat from * to last 3 sts, k3.
• Repeat rows 1-16.