Shown with a cast-on count of 25 stitches.  

• Rows 1, 3, 5, 11, and 13 (WS): Purl.
• Row 2: K2, yo, k3, yo, k2tog, k2, yo, ssk, k3, k2tog, yo, k2, ssk, yo, k3, yo, k2 (27 sts).
• Row 4: K1, sl1-k2tog-psso, k5, yo, k3, sl2-k1-p2sso, k3, yo, k5, k3tog, k1 (23 sts).
• Row 6: K1, yo, k2, yo, sl1-k2tog-psso, ssk, yo, k2, yo, sl2-k1-p2sso, yo, k2, yo, k2tog, k3tog, yo, k2, yo, k1.
• Row 7: P4, (p1, k1, p1) in next st, purl to last 5 sts, (p1, k1, p1) in next st, p4 (27 sts).
• Row 8: K1, k2tog, k4, yo wrapping yarn twice, k2tog, k3, sl2-k1-p2sso, k3, ssk, yo wrapping yarn twice, k4, ssk, k1 (23 sts).
• Row 9: P6, (p1, k1, p1) in next st, purl to last 7 sts, (p1, k1, p1) in next st, p6 (27 sts).
• Row 10: K12, sl2-k1-p2sso, k12 (25 sts).
• Row 12: K4, k2tog, yo, k5, yo, sl2-k1-p2sso, yo, k5, yo, ssk, k4.