Shown with a cast-on count of 13 stitches.  

• Row 1 (RS): K7, k2tog, yo, k4.
• Rows 2, 4, 6, and 24: K1, p11, k1.
• Row 3: K9, yo, ssk, k2.
• Row 5: K10, yo, ssk, k1.
• Row 7: K2, k2tog, yo wrapping yarn twice, ssk, k2, k2tog, yo, k3 (12 sts).
• Row 8: K1, p7, 1-to-6 inc, p2, k1 (17 sts).
• Row 9: K11, k2tog, yo, k4.
• Rows 10 and 12: K1, p15, k1.
• Row 11: K13, yo, ssk, k2.
• Row 13: K5, yo wrapping yarn twice, k9, yo, ssk, k1 (18 sts).
• Row 14: K1, p11, (p1, k1) in next st, p4, k1 (19 sts).
• Row 15: K4, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, k6, k2tog, yo, k3.
• Row 16: K1, p10, (p1, k1) in next st, p2, (p1, k1) in next st, p3, k1 (21 sts).
• Row 17: K3, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, k4, k2tog, yo, k4 (20 sts).
• Row 18: K1, p9, (p1, k1) in next st, p2, (p1, k1) in next st, p2, (p1, k1) in next st, p2, k1 (23 sts).
• Row 19: K2, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, k5, yo, ssk, k2 (21 sts).
• Row 20: K1, p8, (p1, k1) in next st, p2, (p1, k1) in next st, p2, (p1, k1) in next st, p2, (p1, k1) in next st, p1, k1 (25 sts).
• Row 21: K1, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, ssk, k2tog, yo wrapping yarn twice, k5, yo, ssk, k1 (22 sts).
• Row 22: K1, p7, (p1, k1) in next st, p2, (p1, k1) in next st, p2, (p1, k1) in next st, p2, (p1, k1) in next st, p2, (p1, k1) in next st, k1 (27 sts).
• Row 23: BO 14 sts, k7, k2tog, yo, k3 (13 sts).