Shown with a cast-on count of 35 stitches.  

• Row 1 (RS): K4, *yo, k1, ssk, k7, repeat from * to last st, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: Purl.
• Row 3: K5, *yo, k1, ssk, k3, k2tog, k1, yo, k1, repeat from *.
• Row 5: K6, *yo, k1, ssk, k1, k2tog, k1, yo, k3, repeat from * to last 9 sts, yo, k1, ssk, k1, k2tog, k1, yo, k2.
• Row 7: K9, *k2tog, k1, yo, k7, repeat from * to last 6 sts, k2tog, k1, yo, k3.
• Row 9: K8, *k2tog, k1, yo, k7, repeat from * to last 7 sts, k2tog, k1, yo, k4.
• Row 11: K1, *yo, k1, ssk, k3, k2tog, k1, yo, k1, repeat from * to last 4 sts, k4.
• Row 13: K2, *yo, k1, ssk, k1, k2tog, k1, yo, k3, repeat from * to last 3 sts, k3.
• Row 15: K3, *yo, k1, ssk, k7, repeat from * to last 2 sts, k2.
• Repeat rows 1-16.