Shown with a cast-on count of 18 stitches.  

• Row 1 (RS): Sl1 wyib, k2, yo, k2tog, k2tog, yo, k3, [yo, k2tog] 3 times, yo, k2 (19 sts).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, and 24: Knit.
• Row 3: Sl1 wyib, k2, [yo, k2tog] twice, yo, k3, [k2tog, yo] 3 times, k3 (20 sts).
• Row 5: Sl1 wyif, k2, [yo, k2tog] twice, yo, k3, [yo, k2tog] 4 times, k2 (21 sts).
• Row 7: Sl1 wyif, k2, [yo, k2tog] twice, yo, k3, [yo, k2tog] 4 times, k3 (22 sts).
• Row 9: Sl1 wyif, k2, [yo, k2tog] twice, yo, k3, [yo, k2tog] 5 times, k2 (23 sts).
• Row 11: Sl1 wyib, k11, [yo, k2tog] 4 times, k3.
• Row 13: Sl1 wyib, k2, [yo, k2tog] 3 times, k2, [yo, k2tog] 5 times, k2.
• Row 15: K2tog, k2, [yo, k2tog] 3 times, k2, [yo, k2tog] 4 times, k3 (22 sts).
• Row 17: K2tog, k2, [yo, k2tog] 3 times, k2, [yo, k2tog] 4 times, k2 (21 sts).
• Row 19: K2tog, k2, [yo, k2tog] 3 times, k2, [yo, k2tog] 3 times, k3 (20 sts).
• Row 21: K2tog, k2, [yo, k2tog] 3 times, k2, [yo, k2tog] 3 times, k2 (19 sts).
• Row 23: K2tog, k10, [yo, k2tog] twice, k3 (18 sts).
• Repeat rows 1-24.