Shown with a cast-on count of 33 stitches.  

• Row 1 (RS): *P1, k4, k2tog, yo, k3, yo, ssk, k4, repeat from * to last st, p1.
• Rows 2, 8, 10, and 14: K1, *p15, k1, repeat from *.
• Row 3: *P1, k2, k3tog, [yo] twice, k5, [yo] twice, sl1-k2tog-psso, k2, repeat from * to last st, p1.
• Row 4: K1, *p10, k1, p4, k1, repeat from *.
• Row 5: *P1, k3tog, [yo] twice, k3, yo, sl2-k1-p2sso, yo, k3, [yo] twice, sl1-k2tog-psso, repeat from * to last st, p1.
• Row 6: K1, *p1, k1, p10, k1, p2, k1, repeat from *.
• Row 7: *P1, ssk, k1, yo, k1, k2tog, yo, k3, yo, ssk, k1, yo, k1, k2tog, repeat from * to last st, p1.
• Row 9: *P1, ssk, yo, k3tog, k2, yo, (k1, yo, k1) in next st, yo, k2, sl1-k2tog-psso, yo, k2tog, repeat from * to last st, p1.
• Row 11: *P1, yo, k3tog, k2tog, yo, k2, (k1, yo, k1) in next st, k2, yo, ssk, sl1-k2tog-psso, yo, repeat from * to last st, p1.
• Row 12: K1, *p14, k2, repeat from *.
• Row 13: *P1, k1, k2tog, yo, k1, yo, k2tog, k3, ssk, yo, k1, yo, ssk, k1, repeat from * to last st, p1.