Shown with a cast-on count of 50 stitches.  

• Rows 1, 3, 5, 9, 11, 13, 17, 19, 21, 25, 27, and 29 (RS): Sl1 wyif, k1, *p2, k20, repeat from * to last 4 sts, p2, sl1 wyif, k1.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, and 32: Sl1 wyif, k1, *k2, p20, repeat from * to last 4 sts, k2, sl1 wyif, k1.
• Rows 7 and 15: Sl1 wyif, k1, *p2, 3/3 LC, k14, repeat from * to last 4 sts, p2, sl1 wyif, k1.
• Rows 23 and 31: Sl1 wyif, k1, *p2, k14, 3/3 RC, repeat from * to last 4 sts, p2, sl1 wyif, k1.