Shown with a cast-on count of 23 stitches.  

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