Shown with a cast-on count of 40 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 23 (WS): Purl to last st, k1 tbl.
• Row 2: Sl1 wyif, k1, k2tog, yo, k2, [yo, k1, sl2-k1-p2sso, k1, yo, k1] twice, yo, k1, sl2-k1-p2sso, k1, yo, k2tog, yo, k3, k2tog, yo, k2, [k2tog, yo] 3 times, k2tog (39 sts).
• Row 4: Sl1 wyif, k1, k2tog, yo, k2, [k1, yo, sl2-k1-p2sso, yo, k2] twice, k1, yo, sl2-k1-p2sso, yo, k1, k2tog, yo, k2, k2tog, yo, k5, [yo, ssk] twice, yo, k1 (40 sts).
• Row 6: Sl1 wyif, k1, k2tog, yo, k1, ssk, [k1, yo, k1, yo, k1, sl2-k1-p2sso] twice, k1, yo, k1, yo, k2tog, k2tog, yo, k1, k2tog, yo, k2, k2tog, yo, k3, [yo, ssk] twice, yo, k1 (41 sts).
• Row 8: Sl1 wyif, k1, k2tog, yo, k1, ssk, [yo, k3, yo, sl2-k1-p2sso] twice, yo, k4, k2tog, yo, [k1, k2tog, yo] twice, k1, yo, ssk, k2, [yo, ssk] twice, yo, k1 (42 sts).
• Row 10: Sl1 wyif, k1, k2tog, yo, k2, [yo, k1, sl2-k1-p2sso, k1, yo, k1] twice, yo, k1, sl2-k1-p2sso, k1, yo, k2tog, yo, k1, [k2tog, yo] twice, k3, yo, ssk, k2, [yo, ssk] twice, yo, k1 (43 sts).
• Row 12: Sl1 wyif, k1, k2tog, yo, k2, [k1, yo, sl2-k1-p2sso, yo, k2] twice, k1, yo, sl2-k1-p2sso, yo, k1, k2tog, yo, k1, k2tog, yo, [k2, yo, ssk] twice, k2, [yo, ssk] twice, yo, k1 (44 sts).
• Row 14: Sl1 wyif, k1, k2tog, yo, k1, ssk, [k1, yo, k1, yo, k1, sl2-k1-p2sso] twice, k1, yo, k1, yo, k2tog, k2tog, yo, k1, k2tog, yo, k6, yo, ssk, k1, [ssk, yo] 3 times, k1.
• Row 16: Sl1 wyif, k1, k2tog, yo, k1, ssk, [yo, k3, yo, sl2-k1-p2sso] twice, yo, k4, k2tog, yo, k3, yo, ssk, k4, yo, ssk, k2, [yo, k2tog] 3 times.
• Row 18: Sl1 wyif, k1, k2tog, yo, k2, [yo, k1, sl2-k1-p2sso, k1, yo, k1] twice, yo, k1, sl2-k1-p2sso, k1, yo, k2tog, yo, k4, yo, ssk, k1, k2tog, yo, k2, k2tog, [yo, k2tog] 3 times (43 sts).
• Row 20: Sl1 wyif, k1, k2tog, yo, k2, [k1, yo, sl2-k1-p2sso, yo, k2] twice, k1, yo, sl2-k1-p2sso, yo, k1, k2tog, yo, k5, yo, k3tog, yo, k2, k2tog, [yo, k2tog] 3 times (42 sts).
• Row 22: Sl1 wyif, k1, k2tog, yo, k1, ssk, [k1, yo, k1, yo, k1, sl2-k1-p2sso] twice, k1, yo, k1, yo, k2tog, k2tog, yo, k5, k2tog, yo, k2, k2tog, [yo, k2tog] 3 times (41 sts).
• Row 24: Sl1 wyif, k1, k2tog, yo, k1, ssk, [yo, k3, yo, sl2-k1-p2sso] twice, yo, k4, k2tog, yo, k4, k2tog, yo, k2, k2tog, [yo, k2tog] 3 times (40 sts).