Shown with a cast-on count of 14 stitches.  

• Row 1 (RS): K2, yo, k2tog, k1, yo, k4, yo, k1, ssk, yo, k2 (16 sts).
• Rows 2, 8, 14, and 18: K2, purl to last 2 sts, k2.
• Row 3: K2, k2tog, k1, [yo] twice, k6, [yo] twice, k1, ssk, k2 (18 sts).
• Row 4: K2, p2, k1, p1, p6, k1, p1, p2, k2.
• Row 5: K2, k1, ssk, k2tog, k1, yo, k1, [yo] twice, k1, yo, k1, ssk, k2tog, k1, k2.
• Row 6: K2, p1, p5, k1, p1, p5, p1, k2.
• Row 7: K2, k1, ssk, k1, yo, k6, yo, k1, k2tog, k1, k2.
• Row 9: K2, k1, ssk, k3, [yo] twice, k2, [yo] twice, k3, k2tog, k1, k2 (20 sts).
• Row 10: K2, p5, k1, p1, p2, k1, p1, p5, k2.
• Row 11: K2, k1, yo, ssk, k1, ssk, k2tog, [yo] twice, ssk, k2tog, k1, k2tog, yo, k1, k2 (18 sts).
• Row 12: K2, p6, k1, p1, p6, k2.
• Row 13: K2, k2, ssk, yo, k2, yo, k2, yo, k2, yo, k2tog, k2, k2 (20 sts).
• Row 15: K2, k3, ssk, k1, yo, k4tog, yo, k1, k2tog, k3, k2 (17 sts).
• Row 16: K2, p6, kfb, p6, k2 (18 sts).
• Row 17: K2, k4, sl1-k2tog-psso, k3tog, k4, k2 (14 sts).