Shown with a cast-on count of 51 stitches.  

• Rows 1, 3, 5, and 7 (RS): Sl1 wyib, k1, 1/1 RC, knit to last 4 sts, 1/1 RC, k2.
• Rows 2, 4, 6, and 8: Sl1 wyib, k1, p2, knit to last 4 sts, p2, k2.
• Rows 9, 11, 13, and 15: Sl1 wyib, k1, 1/1 RC, k1, k2tog, *k3, yo, k1, yo, k3, sl2-k1-p2sso, repeat from * to last 14 sts, k3, yo, k1, yo, k3, ssk, k1, 1/1 RC, k2.
• Rows 10, 12, 14, 16, 18, 20, 22, and 24: Sl1 wyib, k1, purl to last 2 sts, k2.
• Rows 17, 19, 21, and 23: Sl1 wyib, k1, 1/1 RC, k2, *yo, k3, sl2-k1-p2sso, k3, yo, k1, repeat from * to last 5 sts, k1, 1/1 RC, k2.
• Rows 25, 27, 29, and 31: Sl1 wyib, k1, 1/1 RC, k1, k2tog, k3, yo, k1, yo, k3, ssk, knit to last 16 sts, k2tog, k3, yo, k1, yo, k3, ssk, k1, 1/1 RC, k2.
• Rows 26, 28, 30, 32, 34, 36, 38, and 40: Sl1 wyif, k1, p15, knit to last 16 sts, p14, k2.
• Rows 33, 35, 37, and 39: Sl1 wyib, k1, 1/1 RC, k2, yo, k3, sl2-k1-p2sso, k3, yo, knit to last 15 sts, yo, k3, sl2-k1-p2sso, k3, yo, k2, 1/1 RC, k2.
• Repeat rows 25-40.