Shown with a cast-on count of 27 stitches.  

• Row 1 (RS): K1, *k2tog, k1, yo, k1, ssk, k2, repeat from * to last 2 sts, k2 (multiple of 7 sts, plus 3).
• Rows 2, 6, 8, 10, and 12: Purl.
• Row 3: *K2tog, k1, [yo, k1] twice, ssk, repeat from * to last 3 sts, k3.
• Row 5 (RS): K2, *yo, k3, yo, k1, ssk, k1, repeat from * to last st, k1 (multiple of 8 sts, plus 3).
• Row 7: K4, *k2tog, k1, yo, k1, ssk, k2, repeat from * to last 7 sts, k2tog, k1, yo, k1, ssk, k1 (multiple of 7 sts, plus 10).
• Row 9: K3, *k2tog, k1, [yo, k1] twice, ssk, repeat from *.
• Row 11: K2, *k2tog, k1, yo, k3, yo, k1, repeat from * to last st, k1 (multiple of 8 sts, plus 3).