Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): *K2, k2tog, yo, k1, yo, ssk, k1, repeat from * to last st, k1.
• Rows 2, 4, 6, 8, 10, and 12: Purl.
• Row 3: *K1, k2tog, yo, k3, yo, ssk, repeat from * to last st, k1.
• Row 5: K2tog, *yo, k5, yo, sl2-k1-p2sso, repeat from * to last 7 sts, yo, k5, yo, ssk.
• Row 7: K1, *yo, ssk, k3, k2tog, yo, k1, repeat from *.
• Row 9: K1, *k1, yo, ssk, k1, k2tog, yo, k2, repeat from *.
• Row 11: K1, *k2, yo, sl2-k1-p2sso, yo, k3, repeat from *.