Shown with a cast-on count of 10 stitches.  

• Row 1 (RS): Sl1 wyib, k1, yo, k2tog, k1, [[yo] twice, k2tog] twice, k1 (12 sts).
• Row 2: Sl1 wyif, [k2, p1] 3 times, k2.
• Row 3: Sl1 wyib, k1, yo, k2tog, k3, [[yo] twice, k2tog] twice, k1 (14 sts).
• Row 4: Sl1 wyif, [k2, p1] twice, k4, p1, k2.
• Row 5: Sl1 wyib, k1, yo, k2tog, k5, [[yo] twice, k2tog] twice, k1 (16 sts).
• Row 6: Sl1 wyif, [k2, p1] twice, k6, p1, k2.
• Row 7: Sl1 wyib, k1, yo, k2tog, k7, [[yo] twice, k2tog] twice, k1 (18 sts).
• Row 8: Sl1 wyif, [k2, p1] twice, k8, p1, k2.
• Row 9: Sl1 wyib, k1, yo, k2tog, k14.
• Row 10: BO 8 sts, k6, p1, k2 (10 sts).
• Row 11: K8, w&t (8 sts).
• Row 12: K6, w&t (6 sts).
• Row 13: K4, w&t (4 sts).
• Row 14: K2, w&t (2 sts).
• Row 15: K3, w&t (3 sts).
• Row 16: K5, w&t (5 sts).
• Row 17: K7, w&t (7 sts).
• Row 18: K9 (9 sts).