Shown with a cast-on count of 52 stitches.  

• Row 1 (RS): K5, *k2tog, [yo] twice, ssk, k15, repeat from * to last 9 sts, k2tog, [yo] twice, ssk, k5.
• Rows 2, 6, and 10: K7, *p1, k18, repeat from * to last 7 sts, p1, k6.
• Rows 3 and 11: K3, *[k2tog, [yo] twice, ssk] twice, k11, repeat from * to last 11 sts, [k2tog, [yo] twice, ssk] twice, k3.
• Rows 4, 8, and 12: K5, *p1, k3, p1, k14, repeat from * to last 9 sts, p1, k3, p1, k4.
• Row 5: K5, *k2tog, [yo] twice, ssk, k5, k2tog, yo, k1, yo, ssk, k5, repeat from * to last 9 sts, k2tog, [yo] twice, ssk, k5.
• Row 7: K3, *[k2tog, [yo] twice, ssk] twice, k3, yo, k3tog tbl, yo, ssk, yo, k3, repeat from * to last 11 sts, [k2tog, [yo] twice, ssk] twice, k3.
• Row 9: K5, *k2tog, [yo] twice, ssk, k6, yo, k3tog tbl, yo, k6, repeat from * to last 9 sts, k2tog, [yo] twice, ssk, k5.