Shown with a cast-on count of 16 stitches.  

• Row 1 (WS): Yo, k2tog, k1, yo, k10, yo, k2tog, k1 (17 sts).
• Rows 2 and 30: K2, yo, k2tog, k12, p1.
• Row 3: Yo, k2tog, k1, yo, k2tog, yo, k9, yo, k2tog, k1 (18 sts).
• Rows 4 and 28: K2, yo, k2tog, k13, p1.
• Row 5: Yo, k2tog, k1, [yo, k2tog] twice, yo, k8, yo, k2tog, k1 (19 sts).
• Rows 6 and 26: K2, yo, k2tog, k14, p1.
• Row 7: Yo, k2tog, k1, [yo, k2tog] 3 times, yo, k7, yo, k2tog, k1 (20 sts).
• Rows 8 and 24: K2, yo, k2tog, k15, p1.
• Row 9: Yo, k2tog, k1, [yo, k2tog] 4 times, yo, k6, yo, k2tog, k1 (21 sts).
• Rows 10 and 22: K2, yo, k2tog, k16, p1.
• Row 11: Yo, k2tog, k1, [yo, k2tog] 5 times, yo, k5, yo, k2tog, k1 (22 sts).
• Rows 12 and 20: K2, yo, k2tog, k17, p1.
• Row 13: Yo, k2tog, k1, [yo, k2tog] 6 times, yo, k4, yo, k2tog, k1 (23 sts).
• Rows 14 and 18: K2, yo, k2tog, k18, p1.
• Row 15: Yo, k2tog, k1, [yo, k2tog] 7 times, yo, k3, yo, k2tog, k1 (24 sts).
• Row 16: K2, yo, k2tog, k19, p1.
• Row 17: Yo, k2tog, k2tog, [yo, k2tog] 7 times, k3, yo, k2tog, k1 (23 sts).
• Row 19: Yo, k2tog, k2tog, [yo, k2tog] 6 times, k4, yo, k2tog, k1 (22 sts).
• Row 21: Yo, k2tog, k2tog, [yo, k2tog] 5 times, k5, yo, k2tog, k1 (21 sts).
• Row 23: Yo, k2tog, k2tog, [yo, k2tog] 4 times, k6, yo, k2tog, k1 (20 sts).
• Row 25: Yo, k2tog, k2tog, [yo, k2tog] 3 times, k7, yo, k2tog, k1 (19 sts).
• Row 27: Yo, k2tog, k2tog, [yo, k2tog] twice, k8, yo, k2tog, k1 (18 sts).
• Row 29: Yo, k2tog, k2tog, yo, k2tog, k9, yo, k2tog, k1 (17 sts).
• Row 31: Yo, k2tog, k2tog, k10, yo, k2tog, k1 (16 sts).
• Row 32: K2, yo, k2tog, k11, p1.