Shown with a cast-on count of 17 stitches.  

• Row 1 (RS): K2, yo, k2tog, k4, yo, k3tog, k1, yo, k1, yo, k2tog, yo, k2 (18 sts).
• Rows 2 and 14: Yo, k2tog, p12, k4.
• Row 3: K2, yo, k2tog, k3, yo, k3tog, k1, yo, k3, yo, k2tog, yo, k2 (19 sts).
• Rows 4 and 12: Yo, k2tog, p13, k4.
• Row 5: K2, yo, k2tog, k2, yo, k3tog, k1, yo, k5, yo, k2tog, yo, k2 (20 sts).
• Rows 6 and 10: Yo, k2tog, p14, k4.
• Row 7: K2, yo, k2tog, k1, yo, k3tog, k1, yo, k7, yo, k2tog, yo, k2 (21 sts).
• Row 8: Yo, k2tog, p15, k4.
• Row 9: K2, yo, k2tog, k8, yo, k3tog, k1, yo, k2tog, yo, k2tog, k1 (20 sts).
• Row 11: K2, yo, k2tog, k7, yo, k3tog, k1, yo, k2tog, yo, k2tog, k1 (19 sts).
• Row 13: K2, yo, k2tog, k6, yo, k3tog, k1, yo, k2tog, yo, k2tog, k1 (18 sts).
• Row 15: K2, yo, k2tog, k5, yo, k3tog, k1, yo, k2tog, yo, k2tog, k1 (17 sts).
• Row 16: Yo, k2tog, p11, k4.