Shown with a cast-on count of 20 stitches.  

• Rows 1 and 11 (RS): *K1, yo, ssk, k3, yo, ssk, k2, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, and 32: Purl.
• Rows 3 and 13: *K2, yo, ssk, k3, yo, ssk, k1, repeat from *.
• Rows 5 and 15: *K3, yo, ssk, k3, yo, ssk, repeat from *.
• Row 7: *K4, yo, ssk, k4, repeat from *.
• Row 9: *Yo, ssk, k3, yo, ssk, k3, repeat from *.
• Rows 17 and 27: *K2, k2tog, yo, k3, k2tog, yo, k1, repeat from *.
• Rows 19 and 29: *K1, k2tog, yo, k3, k2tog, yo, k2, repeat from *.
• Rows 21 and 31: *K2tog, yo, k3, k2tog, yo, k3, repeat from *.
• Row 23: *K4, k2tog, yo, k4, repeat from *.
• Row 25: *K3, k2tog, yo, k3, k2tog, yo, repeat from *.