Shown with a cast-on count of 21 stitches.  

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