Shown with a cast-on count of 77 stitches.  

• Rows 1 and 3 (RS): K1, [k1, p1] 38 times.
• Rows 2, 10, and 18: Sl1 wyif, [p1, k1] 38 times.
• Rows 4, 6, and 8: Sl1 wyif, [p1, k1, p1, k1, p1, ctr dbl inc, p1, k1, p1, k1, p1, sl2-k1-p2sso] 5 times, p1, k1, p1, k1, p2.
• Rows 5, 7, 9, and 19: Sl1 wyib, [k1, p1] 38 times.
• Rows 11, 13, 15, and 17: Sl1 wyif, [k1, p1] 38 times.
• Rows 12, 14, and 16: Sl1 wyif, [p1, k1, p1, k1, p1, sl2-k1-p2sso, p1, k1, p1, k1, p1, ctr dbl inc] 5 times, p1, k1, p1, k1, p2.