Shown with a cast-on count of 23 stitches.  

• Rows 1 and 7 (RS): Yo, k2tog, k1, yo, k2tog, k1, *k2tog, yo, k1, yo, k2tog, k1, repeat from * to last 5 sts, k2tog, yo, k3.
• Row 2: Yo, k2tog, k2, yo, *k3tog, yo, k3, yo, repeat from * to last 7 sts, k3tog, yo, k4.
• Rows 3 and 5: Yo, k2tog, k1, k2tog, yo, k1, *yo, k2tog, k1, k2tog, yo, k1, repeat from * to last 5 sts, yo, k2tog, k3.
• Row 4: Yo, k2tog, k1, k2tog, yo, *k1, yo, k2tog, yo, k3tog, yo, repeat from * to last 6 sts, k1, yo, k2tog, k3.
• Row 6: Yo, k2tog, k2tog, yo, k1, *k2, yo, k3tog, yo, k1, repeat from * to last 6 sts, k2, yo, k2tog, k2.
• Row 8: Yo, k2tog, k1, yo, k2tog, *yo, k3tog, yo, k1, yo, k2tog, repeat from * to last 6 sts, yo, k3tog, yo, k3.