Shown with a cast-on count of 69 stitches.  

• Row 1 (RS): K1, ssk, yo, k1, k1, yo, k2tog, k8, *yo, ssk, k4, k2tog, yo, ssk, k2tog, yo, k2, yo, k6, yo, ssk, k8, repeat from * to last 24 sts, yo, ssk, k4, k2tog, yo, ssk, k2tog, yo, k2, yo, k7, yo, ssk, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, and 40: Purl.
• Row 3: K1, ssk, yo, k1, k2, yo, k2tog, k7, *k1, yo, ssk, k3, k2tog, yo, k3tog, yo, k3, yo, k7, yo, ssk, k7, repeat from * to last 24 sts, k1, yo, ssk, k3, k2tog, yo, k3tog, yo, k3, yo, k7, yo, ssk, k1.
• Row 5: K1, ssk, yo, k1, k3, yo, k2tog, k6, *k2tog, yo, ssk, k2, k2tog, yo, k2tog, yo, k4, yo, k8, yo, ssk, k6, repeat from * to last 24 sts, k2tog, yo, ssk, k2, k2tog, yo, k2tog, yo, k4, yo, k7, yo, ssk, k1.
• Row 7: K1, ssk, yo, k1, k4, yo, k2tog, k5, *k2tog, yo, ssk, k1, k2tog, yo, k2tog, yo, k5, yo, k9, yo, ssk, k5, repeat from * to last 24 sts, k2tog, yo, ssk, k1, k2tog, yo, k2tog, yo, k5, yo, k7, yo, ssk, k1.
• Row 9: K1, ssk, yo, k1, k5, yo, k2tog, k4, *k2tog, yo, ssk, k2tog, yo, k2, yo, k6, yo, ssk, k8, yo, ssk, k4, repeat from * to last 24 sts, k2tog, yo, ssk, k2tog, yo, k2, yo, k6, yo, ssk, k5, yo, ssk, k1.
• Row 11: K1, ssk, yo, k1, k6, yo, k2tog, k3, *k2tog, yo, k3tog, yo, k3, yo, k7, yo, ssk, k8, yo, ssk, k3, repeat from * to last 24 sts, k2tog, yo, k3tog, yo, k3, yo, k7, yo, ssk, k4, yo, ssk, k1.
• Row 13: K1, ssk, yo, k6, k2tog, yo, ssk, k2, k2tog, *yo, k2tog, yo, k4, yo, k8, yo, ssk, k6, k2tog, yo, ssk, k2, k2tog, repeat from * to last 22 sts, yo, k2tog, yo, k4, yo, k8, yo, ssk, k3, yo, ssk, k1.
• Row 15: K1, ssk, yo, k6, k2tog, yo, ssk, k1, k2tog, yo, *k2tog, yo, k5, yo, k9, yo, ssk, k5, k2tog, yo, ssk, k1, k2tog, yo, repeat from * to last 23 sts, k2tog, yo, k5, yo, k9, yo, ssk, k2, yo, ssk, k1.
• Row 17: K1, ssk, yo, k6, k2tog, yo, ssk, k2tog, yo, k1, *k1, yo, k6, yo, ssk, k8, yo, ssk, k4, k2tog, yo, ssk, k2tog, yo, k1, repeat from * to last 23 sts, k1, yo, k6, yo, ssk, k8, yo, ssk, k1, yo, ssk, k1.
• Row 19: K1, ssk, yo, ssk, k4, k2tog, yo, k3tog, yo, k2, *k1, yo, k7, yo, ssk, k8, yo, ssk, k3, k2tog, yo, k3tog, yo, k2, repeat from * to last 23 sts, k1, yo, k7, yo, ssk, k8, yo, ssk, yo, ssk, k1 (multiple of 30 sts, plus 38).
• Row 21: K1, ssk, yo, k5, k2tog, yo, ssk, yo, k3, *k1, yo, k8, yo, ssk, k6, k2tog, yo, ssk, k2, k2tog, yo, k2tog, yo, k3, repeat from * to last 23 sts, k1, yo, k8, yo, ssk, k6, k2tog, yo, k1, yo, ssk, k1 (multiple of 30 sts, plus 39).
• Row 23: K1, ssk, yo, ssk, k3, k2tog, yo, ssk, yo, k4, *k1, yo, k9, yo, ssk, k5, k2tog, yo, ssk, k1, k2tog, yo, k2tog, yo, k4, repeat from * to last 23 sts, k1, yo, k9, yo, ssk, k5, k2tog, yo, k1, yo, ssk, k1.
• Row 25: K1, ssk, yo, ssk, k2, k2tog, yo, k2, yo, k4, *k2, yo, ssk, k8, yo, ssk, k4, k2tog, yo, ssk, k2tog, yo, k2, yo, k4, repeat from * to last 24 sts, k2, yo, ssk, k8, yo, ssk, k4, k2tog, yo, k1, yo, ssk, k1.
• Row 27: K1, ssk, yo, ssk, k1, k2tog, yo, k3, yo, k4, *k3, yo, ssk, k8, yo, ssk, k3, k2tog, yo, k3tog, yo, k3, yo, k4, repeat from * to last 24 sts, k3, yo, ssk, k8, yo, ssk, k3, k2tog, yo, kfb, yo, ssk, k1 (multiple of 30 sts, plus 40).
• Row 29: K1, ssk, yo, ssk, k2tog, yo, k4, yo, k4, *k4, yo, ssk, k6, k2tog, yo, ssk, k2, k2tog, yo, k2tog, yo, k4, yo, k4, repeat from * to last 25 sts, k4, yo, ssk, k6, k2tog, yo, ssk, k2, k2tog, yo, k1, kfb, yo, ssk, k1.
• Row 31: K1, ssk, yo, k3tog, yo, k5, yo, k4, *k5, yo, ssk, k5, k2tog, yo, ssk, k1, k2tog, yo, k2tog, yo, k5, yo, k4, repeat from * to last 25 sts, k5, yo, ssk, k5, k2tog, yo, ssk, k1, k2tog, yo, k2, kfb, yo, ssk, k1.
• Row 33: K1, ssk, yo, k2tog, yo, k6, yo, ssk, k2, *k6, yo, ssk, k4, k2tog, yo, ssk, k2tog, yo, k2, yo, k6, yo, ssk, k2, repeat from * to last 25 sts, k6, yo, ssk, k4, k2tog, yo, ssk, k2tog, yo, k3, kfb, yo, ssk, k1.
• Row 35: K1, ssk, yo, k2tog, yo, k7, yo, ssk, k1, *k7, yo, ssk, k3, k2tog, yo, k3tog, yo, k3, yo, k7, yo, ssk, k1, repeat from * to last 25 sts, k7, yo, ssk, k3, k2tog, yo, k3tog, yo, k4, kfb, yo, ssk, k1.
• Row 37: K1, ssk, yo, k2tog, yo, k8, yo, ssk, *k6, k2tog, yo, ssk, k2, k2tog, yo, k2tog, yo, k4, yo, k8, yo, ssk, repeat from * to last 25 sts, k6, k2tog, yo, ssk, k2, k2tog, yo, k2tog, yo, k6, yo, ssk, k1 (multiple of 30 sts, plus 39).
• Row 39: K1, ssk, yo, k2tog, yo, k9, yo, *ssk, k5, k2tog, yo, ssk, k1, k2tog, yo, k2tog, yo, k5, yo, k9, yo, repeat from * to last 25 sts, k2tog, k5, k2tog, yo, ssk, k1, k2tog, yo, k2tog, yo, k5, kfb, yo, ssk, k1.