Shown with a cast-on count of 42 stitches.  

• Row 1 (RS): *K2tog, k3, k2tog, [k1, yo] twice, k1, k2tog, k3, k2tog, [k1, yo] twice, k2, repeat from *.
• Rows 2, 4, 6, 8, 10, and 12: Purl.
• Row 3: *[K2tog, k1] twice, yo, k3, yo, [k1, k2tog] twice, k1, yo, k3, yo, k2, repeat from *.
• Row 5: *Sl1-k2tog-psso, k1, yo, k5, yo, k1, sl1-k2tog-psso, k1, yo, k5, yo, k2, repeat from *.
• Row 7: *K2, [yo, k1] twice, k2tog, k3, k2tog, [k1, yo] twice, k1, k2tog, k3, k2tog, repeat from *.
• Row 9: *K2, yo, k3, yo, [k1, k2tog] twice, k1, yo, k3, yo, k1, k2tog, k1, k2tog, repeat from *.
• Row 11: *K2, yo, k5, yo, k1, sl1-k2tog-psso, k1, yo, k5, yo, k1, sl1-k2tog-psso, repeat from *.