Shown with a cast-on count of 24 stitches.  

• Row 1 (RS): *Yo, ssk, k8, yo, ssk, repeat from *.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, and 40: Purl.
• Row 3: *Ssk, yo, ssk, k8, yo, repeat from *.
• Row 5: *K2, yo, ssk, k6, k2tog, yo, repeat from *.
• Row 7: *K3, yo, ssk, k5, k2tog, yo, repeat from *.
• Row 9: *K4, yo, ssk, k4, k2tog, yo, repeat from *.
• Row 11: *K5, yo, k2tog, k3, k2tog, yo, repeat from *.
• Row 13: *K4, k2tog, yo, k3, k2tog, yo, k1, repeat from *.
• Row 15: *K4, k2tog, yo, k2, k2tog, yo, k2, repeat from *.
• Row 17: *K4, k2tog, yo, k1, k2tog, yo, k3, repeat from *.
• Row 19: *K4, k2tog, yo, k2tog, yo, k4, repeat from *.
• Row 21: *K3, k2tog, yo, k2tog, yo, k5, repeat from *.
• Row 23: *K2, k2tog, yo, k2tog, yo, k6, repeat from *.
• Row 25: *K1, k2tog, yo, k2, yo, ssk, k5, repeat from *.
• Row 27: *K2tog, yo, k3, yo, ssk, k5, repeat from *.
• Row 29: *Yo, k4, yo, ssk, k4, k2tog, repeat from *.
• Row 31: *K5, yo, ssk, k3, ssk, yo, repeat from *.
• Row 33: *Ssk, k5, yo, ssk, k3, yo, repeat from *.
• Row 35: *Ssk, k6, yo, ssk, k2, yo, repeat from *.
• Row 37: *Ssk, k7, yo, ssk, k1, yo, repeat from *.
• Row 39: *Ssk, k8, yo, ssk, yo, repeat from *.