Shown with a cast-on count of 18 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 23 (WS): Purl.
• Row 2: K3, *ssk, k5, yo, repeat from * to last st, k1.
• Row 4: K3, *ssk, k4, yo, k1, repeat from * to last st, k1.
• Row 6: K3, *ssk, k3, yo, k2, repeat from * to last st, k1.
• Row 8: K3, *ssk, k2, yo, k3, repeat from * to last st, k1.
• Row 10: K3, *ssk, k1, yo, k4, repeat from * to last st, k1.
• Row 12: K3, *ssk, yo, k5, repeat from * to last st, k1.
• Row 14: K1, *yo, k5, k2tog, repeat from * to last 3 sts, k3.
• Row 16: K1, *k1, yo, k4, k2tog, repeat from * to last 3 sts, k3.
• Row 18: K1, *k2, yo, k3, k2tog, repeat from * to last 3 sts, k3.
• Row 20: K1, *k3, yo, k2, k2tog, repeat from * to last 3 sts, k3.
• Row 22: K1, *k4, yo, k1, k2tog, repeat from * to last 3 sts, k3.
• Row 24: K1, *k5, yo, k2tog, repeat from * to last 3 sts, k3.