Shown with a cast-on count of 19 stitches.  

• Row 1 (RS): K2, yo, k3, yo, k2tog, yo, k1, yo, k3, yo, k1, yo, k2tog tbl, yo, k3, yo, k2 (25 sts).
• Row 2: K3, p2tog, [p1, k1] twice, p1, k5, [p1, k1] twice, p1, p2tog, k3 (23 sts).
• Row 3: K2, yo, k2, yo, sl2-k1-p2sso, yo, k3, yo, k3, yo, k3, yo, sl2-k1-p2sso, yo, k2, yo, k2 (27 sts).
• Row 4: K3, p8, k5, p8, k3.
• Row 5: K2, yo, knit to last 2 sts, yo, k2 (29 sts).
• Row 6: K3, p9, k5, p9, k3.
• Row 7: K2, yo, k3, yo, k2tog, yo, k6, yo, k3, yo, k6, yo, k2tog tbl, yo, k3, yo, k2 (35 sts).
• Row 8: K3, p2tog, [p1, k1] twice, p6, k5, p6, [k1, p1] twice, p2tog, k3 (33 sts).
• Row 9: K2, yo, k2, yo, sl2-k1-p2sso, yo, k8, yo, k3, yo, k8, yo, sl2-k1-p2sso, yo, k2, yo, k2 (37 sts).
• Row 10: K3, p13, k5, p13, k3.
• Row 11: K2, yo, knit to last 2 sts, yo, k2 (39 sts).
• Row 12: K3, p14, k5, p14, k3.
• Row 13: K2, yo, [k3, yo, k2tog, yo, k1] twice, k4, yo, k3, yo, k4, [k1, yo, k2tog tbl, yo, k3] twice, yo, k2 (47 sts).
• Row 14: K3, [p2tog, [p1, k1] twice, p1] twice, p4, k5, p4, [[p1, k1] twice, p1, p2tog] twice, k3 (43 sts).