Shown with a cast-on count of 39 stitches.  

• Row 1 (RS): [K1, p1] 3 times, k1, [k1, yo, ssk, p7, k2tog, yo] twice, k2, [p1, k1] 3 times.
• Rows 2 and 38: [K1, p1] 4 times, [p2, k7, p3] twice, [k1, p1] 3 times, k1.
• Row 3: [K1, p1] 3 times, k1, [k2, yo, ssk, p5, k2tog, yo, k1] twice, k2, [p1, k1] 3 times.
• Row 4: [K1, p1] 4 times, [p3, k5, p4] twice, [k1, p1] 3 times, k1.
• Row 5: [K1, p1] 3 times, k1, [k3, yo, ssk, p3, k2tog, yo, k2] twice, k2, [p1, k1] 3 times.
• Rows 6 and 34: [K1, p1] 4 times, [p4, k3, p5] twice, [k1, p1] 3 times, k1.
• Rows 7 and 27: [K1, p1] 3 times, k1, [k4, yo, ssk, p1, k2tog, yo, k3] twice, k2, [p1, k1] 3 times.
• Rows 8, 12, 28, and 32: [K1, p1] 4 times, [p5, k1, p6] twice, [k1, p1] 3 times, k1.
• Rows 9 and 29: [K1, p1] 3 times, k1, [k5, yo, sl1-k2tog-psso, yo, k4] twice, k2, [p1, k1] 3 times.
• Rows 10 and 30: [K1, p1] 3 times, k1, purl to last 7 sts, [k1, p1] 3 times, k1.
• Rows 11 and 31: [K1, p1] 3 times, k1, [k4, k2tog, yo, p1, yo, ssk, k3] twice, k2, [p1, k1] 3 times.
• Row 13: [K1, p1] 3 times, k1, [k3, k2tog, yo, p1, k1, p1, yo, ssk, k2] twice, k2, [p1, k1] 3 times.
• Rows 14 and 26: [K1, p1] 4 times, [p4, k1, p1, k1, p5] twice, [k1, p1] 3 times, k1.
• Row 15: [K1, p1] 3 times, k1, [k2, k2tog, yo, [p1, k1] twice, p1, yo, ssk, k1] twice, k2, [p1, k1] 3 times.
• Rows 16 and 24: [K1, p1] 4 times, [p3, [k1, p1] twice, k1, p4] twice, [k1, p1] 3 times, k1.
• Row 17: [K1, p1] 3 times, k1, [k1, k2tog, yo, [p1, k1] 3 times, p1, yo, ssk] twice, k2, [p1, k1] 3 times.
• Rows 18 and 22: [K1, p1] 4 times, [p2, [k1, p1] 3 times, k1, p3] twice, [k1, p1] 3 times, k1.
• Row 19: [K1, p1] 3 times, k1, k2tog, yo, [p1, k1] 4 times, p1, yo, sl1-k2tog-psso, yo, [p1, k1] 4 times, p1, yo, ssk, [k1, p1] 3 times, k1.
• Row 20: [K1, p1] 4 times, [[p1, k1] 5 times, p2] twice, [k1, p1] 3 times, k1.
• Row 21: [K1, p1] 3 times, k1, [k1, yo, ssk, [p1, k1] 3 times, p1, k2tog, yo] twice, k2, [p1, k1] 3 times.
• Row 23: [K1, p1] 3 times, k1, [k2, yo, ssk, [p1, k1] twice, p1, k2tog, yo, k1] twice, k2, [p1, k1] 3 times.
• Row 25: [K1, p1] 3 times, k1, [k3, yo, ssk, p1, k1, p1, k2tog, yo, k2] twice, k2, [p1, k1] 3 times.
• Row 33: [K1, p1] 3 times, k1, [k3, k2tog, yo, p3, yo, ssk, k2] twice, k2, [p1, k1] 3 times.
• Row 35: [K1, p1] 3 times, k1, [k2, k2tog, yo, p5, yo, ssk, k1] twice, k2, [p1, k1] 3 times.
• Row 36: [K1, p1] 4 times, [p2, k6, p4] twice, [k1, p1] 3 times, k1.
• Row 37: [K1, p1] 3 times, k1, [k1, k2tog, yo, p7, yo, ssk] twice, k2, [p1, k1] 3 times.
• Row 39: [K1, p1] 3 times, k1, k2tog, yo, p9, yo, sl1-k2tog-psso, yo, p9, yo, ssk, [k1, p1] 3 times, k1.
• Row 40: [K1, p1] 4 times, [p1, k9, p2] twice, [k1, p1] 3 times, k1.