Shown with a cast-on count of 27 stitches.  

• Rows 1 and 9 (RS): *K1, yo, k2tog, k1, ssk, yo, k1, p3, repeat from * to last 7 sts, k1, yo, k2tog, k1, ssk, yo, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: Purl.
• Rows 3, 7, 11, and 15: *K7, yo, sl2-k1-p2sso, yo, repeat from * to last 7 sts, k7.
• Rows 5 and 13: *K1, k2tog, yo, k1, yo, ssk, k1, yo, sl2-k1-p2sso, yo, repeat from * to last 7 sts, k1, k2tog, yo, k1, yo, ssk, k1.