Shown with a cast-on count of 49 stitches.  

• Row 1 (RS): K2tog, yo, k12, *[k2tog, yo] twice, k12, repeat from * to last 3 sts, k2tog, yo, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, and 32: Purl.
• Row 3: K2, yo, ssk, k9, *[k2tog, yo] twice, k1, yo, ssk, k9, repeat from * to last 4 sts, k2tog, yo, k2.
• Row 5: K1, *[yo, ssk] twice, k7, [k2tog, yo] twice, k1, repeat from *.
• Row 7: K2, [yo, ssk] twice, k5, [k2tog, yo] twice, *k3, [yo, ssk] twice, k5, [k2tog, yo] twice, repeat from * to last 2 sts, k2.
• Row 9: K3, [yo, ssk] twice, k3, [k2tog, yo] twice, *k5, [yo, ssk] twice, k3, [k2tog, yo] twice, repeat from * to last 3 sts, k3.
• Row 11: K4, [yo, ssk] twice, k1, [k2tog, yo] twice, *k7, [yo, ssk] twice, k1, [k2tog, yo] twice, repeat from * to last 4 sts, k4.
• Row 13: K5, yo, ssk, yo, k3tog, yo, k2tog, yo, *k9, yo, ssk, yo, k3tog, yo, k2tog, yo, repeat from * to last 5 sts, k5.
• Row 15: K6, yo, k3tog, yo, k2tog, yo, *k11, yo, k3tog, yo, k2tog, yo, repeat from * to last 6 sts, k6.
• Row 17: K6, [k2tog, yo] twice, *k12, [k2tog, yo] twice, repeat from * to last 7 sts, k7.
• Row 19: K5, [k2tog, yo] twice, k1, yo, ssk, *k9, [k2tog, yo] twice, k1, yo, ssk, repeat from * to last 5 sts, k5.
• Row 21: K4, [k2tog, yo] twice, k1, [yo, ssk] twice, *k7, [k2tog, yo] twice, k1, [yo, ssk] twice, repeat from * to last 4 sts, k4.
• Row 23: K3, [k2tog, yo] twice, k3, [yo, ssk] twice, *k5, [k2tog, yo] twice, k3, [yo, ssk] twice, repeat from * to last 3 sts, k3.
• Row 25: K2, [k2tog, yo] twice, k5, [yo, ssk] twice, *k3, [k2tog, yo] twice, k5, [yo, ssk] twice, repeat from * to last 2 sts, k2.
• Row 27: *K1, [k2tog, yo] twice, k7, [yo, ssk] twice, repeat from * to last st, k1.
• Row 29: [K2tog, yo] twice, k9, *yo, ssk, yo, k3tog, yo, k2tog, yo, k9, repeat from * to last 4 sts, [yo, ssk] twice.
• Row 31: K1, k2tog, yo, k11, *yo, k3tog, yo, k2tog, yo, k11, repeat from * to last 3 sts, yo, k2tog, k1.
• Repeat rows 1-32.