Shown with a cast-on count of 16 stitches.  

• Row 1 (RS): Sl1 wyib, k2, yo, k2tog, k1, [yo] twice, k2tog, k8 (17 sts).
• Row 2: Sl1 wyif, k9, p1, k3, yo, k2tog, k1.
• Row 3: Sl1 wyib, k2, yo, k2tog, k7, yo, k2tog, k3.
• Row 4: Sl1 wyif, k13, yo, k2tog, k1.
• Row 5: Sl1 wyib, k2, yo, k2tog, k1, [[yo] twice, k2tog] twice, k1, [yo, k2tog] twice, k2 (19 sts).
• Row 6: Sl1 wyif, k8, p1, k2, p1, k3, yo, k2tog, k1.
• Row 7: Sl1 wyib, k2, yo, k2tog, k9, yo, k2tog, k3.
• Row 8: Sl1 wyif, k15, yo, k2tog, k1.
• Row 9: Sl1 wyib, k2, yo, k2tog, k1, [[yo] twice, k2tog] 3 times, k7 (22 sts).
• Row 10: Sl1 wyif, k8, p1, k2, p1, k2, p1, k3, yo, k2tog, k1.
• Row 11: Sl1 wyib, k2, yo, k2tog, k17.
• Row 12: BO 6 sts, k12, yo, k2tog, k1 (16 sts).