Shown with a cast-on count of 58 stitches.  

• Rows 1, 5, 9, 13, 17, and 21 (RS): Sl1 wyib, k55, sl1 wyib, p1.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 22, and 24: Sl1 wyib, p55, sl1 wyif, p1.
• Rows 3, 7, and 11: Sl1 wyib, k1, *[k2tog] 3 times, [yo, k1] 6 times, [k2tog] 3 times, repeat from * to last 2 sts, sl1 wyib, p1.
• Rows 15 and 19: Sl1 wyib, k1, *[yo, k1] 3 times, [k2tog] twice, [yo, k1] 3 times, [k2tog] 6 times, repeat from * to last 12 sts, [yo, k1] 3 times, [k2tog] twice, [yo, k1] 3 times, sl1 wyib, p1.
• Row 23: Sl1 wyib, k1, yo, k2, [k2tog] 3 times, k1, [yo, k1] 3 times, k1, [k2tog] 3 times, k1, [yo, k1] 3 times, k2, [k2tog] twice, k2, [yo, k1] 3 times, k1, [k2tog] 3 times, k1, [yo, k1] 3 times, k1, [k2tog] 3 times, k1, yo, k1, sl1 wyib, p1.