Shown with a cast-on count of 37 stitches.  

• Row 1 (RS): K1, yo, k4, sl1-k2tog-psso, *k4, yo, k1, yo, k4, sl1-k2tog-psso, repeat from * to last 5 sts, k4, yo, k1.
• Rows 2, 4, 6, and 8: Purl.
• Row 3: K2, yo, k3, sl1-k2tog-psso, *k3, yo, k3, yo, k3, sl1-k2tog-psso, repeat from * to last 5 sts, k3, yo, k2.
• Row 5: K1, k2tog, yo, k1, yo, k1, sl1-k2tog-psso, *k1, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, k1, sl1-k2tog-psso, repeat from * to last 5 sts, k1, yo, k1, yo, ssk, k1.
• Row 7: K2tog, yo, k3, yo, sl1-k2tog-psso, *yo, k3, yo, sl1-k2tog-psso, yo, k3, yo, sl1-k2tog-psso, repeat from * to last 5 sts, yo, k3, yo, ssk.