Shown with a cast-on count of 49 stitches.  

• Row 1 (RS): K9, k2tog, k1, yo, *k1, yo, k1, ssk, k5, k2tog, k1, yo, repeat from * to last 13 sts, k1, yo, k1, ssk, k9.
• Rows 2, 4, 6, 8, 10, 12, and 14: Purl.
• Row 3: K8, k2tog, k1, yo, k1, *k2, yo, k1, ssk, k3, k2tog, k1, yo, k1, repeat from * to last 13 sts, k2, yo, k1, ssk, k8.
• Row 5: K7, k2tog, k1, yo, k2, *k3, yo, k1, ssk, k1, k2tog, k1, yo, k2, repeat from * to last 13 sts, k3, yo, k1, ssk, k7.
• Row 7: K6, k2tog, k1, yo, k3, *k4, yo, k1, sl1-k2tog-psso, k1, yo, k3, repeat from * to last 13 sts, k4, yo, k1, ssk, k6.
• Row 9: K7, yo, k1, ssk, k2, *k3, k2tog, k1, yo, k1, yo, k1, ssk, k2, repeat from * to last 13 sts, k3, k2tog, k1, yo, k7.
• Row 11: K8, yo, k1, ssk, k1, *k2, k2tog, k1, yo, k3, yo, k1, ssk, k1, repeat from * to last 13 sts, k2, k2tog, k1, yo, k8.
• Row 13: K9, yo, k1, ssk, *k1, k2tog, k1, yo, k5, yo, k1, ssk, repeat from * to last 13 sts, k1, k2tog, k1, yo, k9.
• Row 15: K10, yo, k1, *sl1-k2tog-psso, k1, yo, k7, yo, k1, repeat from * to last 14 sts, sl1-k2tog-psso, k1, yo, k10.