Shown with a cast-on count of 40 stitches.  

• Row 1 (RS): Knit.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, and 36: Knit.
• Rows 3, 7, 19, 31, and 35: *K8, k2tog, yo, yo, ssk, k8, repeat from *.
• Rows 5 and 33: *K6, [k2tog, yo, yo, ssk] twice, k6, repeat from *.
• Rows 9, 17, 21, and 29: *Yo, ssk, k4, [k2tog, yo, yo, ssk] twice, k4, k2tog, yo, repeat from *.
• Rows 11, 15, 23, and 27: *K2tog, yo, yo, ssk, k4, k2tog, yo, yo, ssk, k4, k2tog, yo, yo, ssk, repeat from *.
• Rows 13 and 25: *Yo, ssk, k16, k2tog, yo, repeat from *.
• Repeat rows 11-22.