Shown with a cast-on count of 38 stitches.  

• Row 1 (RS): K2, k2tog, *[yo, k2tog] twice, yo, k1, yo, k2, ssk, k1, k2tog, k2, repeat from * to last 6 sts, [yo, k2tog] twice, yo, k2.
• Rows 2, 4, 6, 8, 10, and 12: Purl.
• Row 3: K1, k2tog, *[yo, k2tog] twice, yo, k3, yo, k2, sl1-k2tog-psso, k2, repeat from * to last 7 sts, [yo, k2tog] twice, yo, k3.
• Row 5: K2tog, yo, *[k2tog, yo] twice, k2, ssk, k1, yo, k1, k2tog, k2, yo, repeat from * to last 8 sts, [k2tog, yo] twice, k4.
• Row 7: K2, yo, *[ssk, yo] twice, k2, ssk, k1, k2tog, k2, yo, k1, yo, repeat from * to last 8 sts, [ssk, yo] twice, ssk, k2.
• Row 9: K3, yo, *[ssk, yo] twice, k2, sl1-k2tog-psso, k2, yo, k3, yo, repeat from * to last 7 sts, [ssk, yo] twice, ssk, k1.
• Row 11: K4, *[yo, ssk] twice, yo, k2, ssk, k1, yo, k1, k2tog, k2, repeat from * to last 6 sts, [yo, ssk] 3 times.