Shown with a cast-on count of 33 stitches.  

• Rows 1 and 9 (RS): P1, *[ssk, yo] 3 times, k1, p1, yo, k2, ssk, k3, p1, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, and 32: Purl.
• Rows 3 and 11: P1, *[ssk, yo] 3 times, k1, p1, k1, yo, k2, ssk, k2, p1, repeat from *.
• Rows 5 and 13: P1, *[ssk, yo] 3 times, k1, p1, k2, yo, k2, ssk, k1, p1, repeat from *.
• Rows 7 and 15: P1, *[ssk, yo] 3 times, k1, p1, k3, yo, k2, ssk, p1, repeat from *.
• Rows 17 and 25: P1, *k3, k2tog, k2, yo, p1, k1, [yo, k2tog] 3 times, p1, repeat from *.
• Rows 19 and 27: P1, *k2, k2tog, k2, yo, k1, p1, k1, [yo, k2tog] 3 times, p1, repeat from *.
• Rows 21 and 29: P1, *k1, k2tog, k2, yo, k2, p1, k1, [yo, k2tog] 3 times, p1, repeat from *.
• Rows 23 and 31: P1, *k2tog, k2, yo, k3, p1, k1, [yo, k2tog] 3 times, p1, repeat from *.
• Repeat rows 1-32.