Shown with a cast-on count of 25 stitches.  

• Rows 1, 3, 11, 13, 21, and 23 (RS): K1, *p1, k1, repeat from *.
• Rows 2, 4, 12, 14, 22, and 24: K1, *p1, k1, repeat from *.
• Row 5: K1, *yo, ssk, k3, k2tog, yo, k1, repeat from *.
• Rows 6, 8, 10, 16, 18, and 20: Purl.
• Row 7: K1, *k1, yo, ssk, k1, k2tog, yo, k2, repeat from *.
• Row 9: K1, *k2, yo, sl1-k2tog-psso, yo, k3, repeat from *.
• Row 15: K2, k2tog, yo, *k1, yo, ssk, k3, k2tog, yo, repeat from * to last 5 sts, k1, yo, ssk, k2.
• Row 17: K1, k2tog, yo, k1, *k2, yo, ssk, k1, k2tog, yo, k1, repeat from * to last 5 sts, k2, yo, ssk, k1.
• Row 19: K2tog, yo, k2, *k3, yo, sl1-k2tog-psso, yo, k2, repeat from * to last 5 sts, k3, yo, ssk.
• Repeat rows 1-20.