Shown with a cast-on count of 23 stitches.  

• Rows 0, 2, 4, 6, 8, 10, 12, 14, and 16 (WS): Purl.
• Row 1: K2, *k5, yo, sl1-k2tog-psso, yo, repeat from * to last 5 sts, k5.
• Row 3: K2, *k2tog, k1, ssk, yo, k3, yo, repeat from * to last 5 sts, k2tog, M1L, k3.
• Row 5: K2, *k4, yo, sl1-k2tog-psso, yo, k1, repeat from * to last 5 sts, k5.
• Rows 7 and 15: Knit.
• Rows 9 and 13: K2, *yo, sl1-k2tog-psso, yo, k5, repeat from * to last 5 sts, yo, sl1-k2tog-psso, yo, k2.
• Row 11: Ssk, yo, *k3, yo, k2tog, k1, ssk, yo, repeat from * to last 5 sts, k3, yo, k2tog.