Shown with a cast-on count of 39 stitches.  

• Row 1 (RS): K5, p13, k3, p13, k5.
• Rows 2 and 44: P5, k13, p3, k13, p5.
• Row 3: K5, p11, p2tog, kfb, k1, kfb, p2tog, p11, k5.
• Row 4: P5, k12, p5, k12, p5.
• Row 5: K5, p10, p2tog, yo, k1, yo, k3, yo, k1, yo, p2tog, p10, k5 (41 sts).
• Row 6: P5, k11, p3, pfb, p1, pfb, p3, k11, p5 (43 sts).
• Row 7: K5, p9, p2tog, k1, yo, k1, yo, k1, p2, k1, p2, k1, yo, k1, yo, k1, p2tog, p9, k5 (45 sts).
• Row 8: P5, k10, p5, k1, kfb, p1, kfb, k1, p5, k10, p5 (47 sts).
• Row 9: K5, p8, p2tog, k2, yo, k1, yo, k2, p3, k1, p3, k2, yo, k1, yo, k2, p2tog, p8, k5 (49 sts).
• Row 10: P5, k9, p7, k1, kfb, k1, p1, k1, kfb, k1, p7, k9, p5 (51 sts).
• Row 11: K5, p7, p2tog, k3, yo, k1, yo, k3, p3, k3, p3, k3, yo, k1, yo, k3, p2tog, p7, k5 (53 sts).
• Rows 12 and 24: P5, k8, p9, k1, kfb, k1, p3, k1, kfb, k1, p9, k8, p5 (55 sts).
• Rows 13 and 25: K5, p6, p2tog, k4, yo, k1, yo, k4, p4, k3, p4, k4, yo, k1, yo, k4, p2tog, p6, k5 (57 sts).
• Rows 14 and 26: P5, k7, p11, k1, kfb, k2, p3, k2, kfb, k1, p11, k7, p5 (59 sts).
• Row 15: K5, p5, p2tog, ssk, k7, k2tog, p5, k3, p5, ssk, k7, k2tog, p2tog, p5, k5 (53 sts).
• Row 16: P5, k6, p9, k5, pfb, p1, pfb, k5, p9, k6, p5 (55 sts).
• Row 17: K5, p4, p2tog, ssk, k5, k2tog, p5, yo, k1, yo, p1, k1, p1, yo, k1, yo, p5, ssk, k5, k2tog, p2tog, p4, k5 (53 sts).
• Row 18: P5, k5, p7, k5, p3, kfb, p1, kfb, p3, k5, p7, k5, p5 (55 sts).
• Row 19: K5, p3, p2tog, ssk, k3, k2tog, p5, k1, yo, k1, yo, k1, p2, k1, p2, k1, yo, k1, yo, k1, p5, ssk, k3, k2tog, p2tog, p3, k5 (53 sts).
• Row 20: P5, k4, p5, k5, p5, k1, kfb, p1, kfb, k1, p5, k5, p5, k4, p5 (55 sts).
• Row 21: K5, p2, p2tog, ssk, k1, k2tog, p5, k2, yo, k1, yo, k2, p3, k1, p3, k2, yo, k1, yo, k2, p5, ssk, k1, k2tog, p2tog, p2, k5 (53 sts).
• Row 22: P5, k3, p3, k5, p7, k1, kfb, p3, kfb, k1, p7, k5, p3, k3, p5 (55 sts).
• Row 23: K5, p1, p2tog, k3tog, p5, k3, yo, k1, yo, k3, p3, k3, p3, k3, yo, k1, yo, k3, p5, k3tog, p2tog, p1, k5 (53 sts).
• Row 27: K5, p5, p2tog, ssk, k7, k2tog, p6, yo, k1, yo, p6, ssk, k7, k2tog, p2tog, p5, k5 (55 sts).
• Row 28: P5, k6, p9, k6, p3, k6, p9, k6, p5.
• Row 29: K5, p6, ssk, k5, k2tog, p6, k1, yo, k1, yo, k1, p6, ssk, k5, k2tog, p6, k5 (53 sts).
• Row 30: P5, k6, p7, k6, p5, k6, p7, k6, p5.
• Row 31: K5, p6, ssk, k3, k2tog, p6, k2, yo, k1, yo, k2, p6, ssk, k3, k2tog, p6, k5 (51 sts).
• Row 32: P5, k6, p5, k6, p7, k6, p5, k6, p5.
• Row 33: K5, p6, ssk, k1, k2tog, p6, k3, yo, k1, yo, k3, p6, ssk, k1, k2tog, p6, k5 (49 sts).
• Row 34: P5, k6, p3, k6, p9, k6, p3, k6, p5.
• Row 35: K5, p6, k3tog, p6, k4, yo, k1, yo, k4, p6, k3tog, p6, k5 (47 sts).
• Row 36: P5, k13, p11, k13, p5.
• Row 37: K5, p13, ssk, k7, k2tog, p13, k5 (45 sts).
• Row 38: P5, k13, p9, k13, p5.
• Row 39: K5, p13, ssk, k5, k2tog, p13, k5 (43 sts).
• Row 40: P5, k13, p7, k13, p5.
• Row 41: K5, p13, ssk, k3, k2tog, p13, k5 (41 sts).
• Row 42: P5, k13, p5, k13, p5.
• Row 43: K5, p13, ssk, k1, k2tog, p13, k5 (39 sts).
• Row 45: K5, p13, k3tog, p13, k5 (37 sts).
• Row 46: P5, k12, kfb, k1, kfb, k12, p5 (39 sts).
• Row 47: K5, p29, k5.
• Row 48: P5, k29, p5.