Shown with a cast-on count of 63 stitches.  

• Rows 1 and 21 (RS): Yo, sl2-k1-p2sso, [k4, yo, k1, yo, k4, sl1-k2tog-psso] 4 times, k4, yo, k1, yo, k4, sl2-k1-p2sso, yo.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, and 40: Purl.
• Rows 3 and 23: Yo, sl2-k1-p2sso, [k3, yo, k3, yo, k3, sl1-k2tog-psso] 4 times, k3, yo, k3, yo, k3, sl2-k1-p2sso, yo.
• Rows 5 and 25: Yo, sl2-k1-p2sso, [k2, yo, k5, yo, k2, sl1-k2tog-psso] 4 times, k2, yo, k5, yo, k2, sl2-k1-p2sso, yo.
• Rows 7 and 27: Yo, sl2-k1-p2sso, [k1, yo, k7, yo, k1, sl1-k2tog-psso] 4 times, k1, yo, k7, yo, k1, sl2-k1-p2sso, yo.
• Rows 9 and 29: Yo, sl2-k1-p2sso, yo, [k9, yo, sl1-k2tog-psso, yo] 4 times, k9, yo, sl2-k1-p2sso, yo.
• Rows 11 and 31: Yo, ssk, yo, [k4, sl1-k2tog-psso, k4, yo, k1, yo] 4 times, k4, sl1-k2tog-psso, k4, yo, ssk, yo.
• Rows 13 and 33: Yo, ssk, k1, yo, k3, sl1-k2tog-psso, k3, yo, k3, yo, k3, sl1-k2tog-psso, k3, yo, k3, yo, k3, sl1-k2tog-psso, k3, yo, k3, yo, k3, sl1-k2tog-psso, k3, yo, k3, yo, k3, sl1-k2tog-psso, k3, yo, k1, ssk, yo.
• Rows 15 and 35: Yo, ssk, k2, [yo, k2, sl1-k2tog-psso, k2, yo, k5] 4 times, yo, k2, sl1-k2tog-psso, k2, yo, k2, ssk, yo.
• Rows 17 and 37: Yo, ssk, k3, [yo, k1, sl1-k2tog-psso, k1, yo, k7] 4 times, yo, k1, sl1-k2tog-psso, k1, yo, k3, ssk, yo.
• Rows 19 and 39: Yo, ssk, k4, [yo, sl1-k2tog-psso, yo, k9] 4 times, yo, sl1-k2tog-psso, yo, k4, ssk, yo.