Shown with a cast-on count of 37 stitches.  

• Row 1 (RS): K1, p1, k1, k2, [yo, sl1-k2tog-psso, yo, k5] 4 times.
• Row 2: Kfb, purl to last 3 sts, k1, p1, k1 (38 sts).
• Row 3: K1, p1, k1, k3, *yo, ssk, k6, repeat from *.
• Row 4: Kfb, purl to last 3 sts, k1, p1, k1 (39 sts).
• Rows 5, 7, 13, and 15: K1, p1, k1, knit.
• Row 6: Kfb, purl to last 3 sts, k1, p1, k1 (40 sts).
• Row 8: Kfb, purl to last 3 sts, k1, p1, k1 (41 sts).
• Row 9: K1, p1, k2, [k5, yo, sl1-k2tog-psso, yo] 4 times, knit.
• Row 10: Kfb, purl to last 3 sts, k1, p1, k1 (42 sts).
• Row 11: K1, p1, k8, [yo, ssk, k6] 4 times.
• Row 12: Kfb, purl to last 3 sts, k1, p1, k1 (43 sts).
• Row 14: Kfb, purl to last 3 sts, k1, p1, k1 (44 sts).
• Row 16: Kfb, purl to last 3 sts, k1, p1, k1 (45 sts).