Shown with a cast-on count of 28 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, and 15 (WS): Purl.
• Row 2: K1, [k2tog, k2tog, kfb, k2tog, k1, kfb, k1, k2tog, kfb] twice, k1 (26 sts).
• Row 4: K1, [k2, kfb, k1, k2tog, k2, k2tog, k1, kfb] twice, k1.
• Row 6: K1, [k2tog, kfb, k1, k2tog, kfb, kfb, k2tog, k1, kfb] twice, k1 (28 sts).
• Rows 8 and 16: Knit.
• Row 10: K1, [kfb, k1, k2tog, kfb, k2tog, k2tog, kfb, k2tog, k1] twice, k1 (26 sts).
• Row 12: K1, [k2, k2tog, k1, kfb, k2, kfb, k1, k2tog] twice, k1.
• Row 14: K1, [kfb, kfb, k2tog, k1, kfb, k2tog, kfb, k1, k2tog] twice, k1 (28 sts).