Shown with a cast-on count of 70 stitches.  

• Rows 1, 5, and 9 (RS): K1, *k3, k2tog, k4, yo, p2, [k2, yo, ssk] 3 times, p2, yo, k4, ssk, k3, repeat from * to last st, k1.
• Rows 2, 6, and 10: K1, *p2, ssp, p4, yo, p1, k2, [p2, yo, p2tog] 3 times, k2, p1, yo, p4, p2tog, p2, repeat from * to last st, k1.
• Rows 3, 7, and 11: K1, *k1, k2tog, k4, yo, k2, p2, [k2, yo, ssk] 3 times, p2, k2, yo, k4, ssk, k1, repeat from * to last st, k1.
• Rows 4, 8, and 12: K1, *ssp, p4, yo, p3, k2, [p2, yo, p2tog] 3 times, k2, p3, yo, p4, p2tog, repeat from * to last st, k1.
• Rows 13, 17, and 21: K1, *yo, ssk, k2, yo, ssk, p2, yo, k4, ssk, k6, k2tog, k4, yo, p2, k2, yo, ssk, k2, repeat from * to last st, k1.
• Rows 14, 18, and 22: K1, *yo, p2tog, p2, yo, p2tog, k2, p1, yo, p4, p2tog, p4, p2tog, p4, yo, p1, k2, p2, yo, p2tog, p2, repeat from * to last st, k1.
• Rows 15, 19, and 23: K1, *yo, ssk, k2, yo, ssk, p2, k2, yo, k4, ssk, k2, k2tog, k4, yo, k2, p2, k2, yo, ssk, k2, repeat from * to last st, k1.
• Rows 16, 20, and 24: K1, *yo, p2tog, p2, yo, p2tog, k2, p3, yo, p4, p2tog, p2tog, p4, yo, p3, k2, p2, yo, p2tog, p2, repeat from * to last st, k1.