Shown with a cast-on count of 19 stitches.  

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