Shown with a cast-on count of 25 stitches.  

• Rows 1, 3, 11, and 13 (RS): K1, *p1, k1, repeat from *.
• Rows 2, 4, 12, and 14: K1, *p1, k1, repeat from *.
• Row 5: K1, *yo, ssk, k3, k2tog, yo, k1, repeat from *.
• Rows 6, 8, and 10: Purl.
• Row 7: K2, *yo, ssk, k1, k2tog, yo, k3, repeat from * to last 7 sts, yo, ssk, k1, k2tog, yo, k2.
• Row 9: K3, *yo, sl1-k2tog-psso, yo, k5, repeat from * to last 6 sts, yo, sl1-k2tog-psso, yo, k3.