Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): *P1, yo, k2, ssk, p1, k2tog, k2, yo, repeat from * to last st, p1.
• Rows 2, 4, 8, 10, 12, 14, 16, 18, 20, 24, 26, 28, 30, and 32: K1, *[p4, k1] twice, repeat from *.
• Row 3: *P1, k2, k2tog, yo, p1, yo, ssk, k2, repeat from * to last st, p1.
• Row 5: *P1, k1, sl2-k1-p2sso, [yo] twice, p1, [yo] twice, sl2-k1-p2sso, k1, repeat from * to last st, p1.
• Row 6: K1, *p2, k1, p1, k2, p3, k1, repeat from *.
• Row 7: *P1, k2tog, yo, k2, p1, k2, yo, ssk, repeat from * to last st, p1.
• Rows 9 and 25: *[P1, k4] twice, repeat from * to last st, p1.
• Rows 11 and 27: *[P1, yo, ssk, k2tog, yo] twice, repeat from * to last st, p1.
• Row 13: *P1, k1, yo, ssk, k1, p1, k1, k2tog, yo, k1, repeat from * to last st, p1.
• Row 15: *P1, yo, [ssk] twice, yo, p1, yo, [k2tog] twice, yo, repeat from * to last st, p1.
• Row 17: *P1, k2tog, k2, yo, p1, yo, k2, ssk, repeat from * to last st, p1.
• Row 19: *P1, yo, ssk, k2, p1, k2, k2tog, yo, repeat from * to last st, p1.
• Row 21: *P1, [yo] twice, sl2-k1-p2sso, k1, p1, k1, sl2-k1-p2sso, [yo] twice, repeat from * to last st, p1.
• Row 22: K1, *k1, p3, k1, p2, k1, p1, k1, repeat from *.
• Row 23: *P1, k2, yo, ssk, p1, k2tog, yo, k2, repeat from * to last st, p1.
• Row 29: *P1, k1, k2tog, yo, k1, p1, k1, yo, ssk, k1, repeat from * to last st, p1.
• Row 31: *P1, yo, [k2tog] twice, yo, p1, yo, [ssk] twice, yo, repeat from * to last st, p1.