Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): K2, k2tog, *yo, k1, yo, ssk, k3, k2tog, repeat from * to last 5 sts, yo, k1, yo, ssk, k2.
• Rows 2, 4, 6, 8, 10, and 12: Purl.
• Row 3: K1, k2tog, *yo, k3, yo, ssk, k1, k2tog, repeat from * to last 6 sts, yo, k3, yo, ssk, k1.
• Row 5: K2tog, yo, k1, *k4, yo, sl1-k2tog-psso, yo, k1, repeat from * to last 6 sts, k4, yo, ssk.
• Rows 7, 9, and 11: K1, yo, k2, *sl1-k2tog-psso, k2, yo, k1, yo, k2, repeat from * to last 6 sts, sl1-k2tog-psso, k2, yo, k1.
• Row 13: K1, yo, k2, *k5, yo, k1, yo, k2, repeat from * to last 6 sts, k5, yo, k1 (multiple of 10 sts, plus 11).