Shown with a cast-on count of 67 stitches.  

• Row 1 (RS): *P5, yo, k5, sl1-k2tog-psso, k5, yo, p4, repeat from * to last st, p1.
• Row 2: P1, *p8, ssp, yo, p1, yo, p2tog, p9, repeat from *.
• Row 3: *P5, k3, k2tog, [k1, yo] twice, k1, ssk, k3, p4, repeat from * to last st, p1.
• Row 4: P1, *p6, ssp, p2, yo, p1, yo, p2, p2tog, p7, repeat from *.
• Row 5: *P5, k1, k2tog, k3, yo, k1, yo, k3, ssk, k1, p4, repeat from * to last st, p1.
• Row 6: P1, *p4, ssp, p4, yo, p1, yo, p4, p2tog, p5, repeat from *.
• Row 7: *P4, k2tog, k5, yo, k1, yo, k5, ssk, p3, repeat from * to last st, p1.
• Rows 8, 10, 12, 14, and 22: Purl.
• Row 9: *P3, k2tog, k5, yo, p3, yo, k5, ssk, p2, repeat from * to last st, p1.
• Row 11: *P2, k2tog, k5, yo, p5, yo, k5, ssk, p1, repeat from * to last st, p1.
• Row 13: *P1, k2tog, k5, yo, p7, yo, k5, ssk, repeat from * to last st, k1.
• Row 15: K2tog, k5, yo, p9, *yo, k5, sl1-k2tog-psso, k5, yo, p9, repeat from * to last 7 sts, yo, k5, ssk.
• Row 16: P1, *yo, p2tog, p17, ssp, yo, p1, repeat from *.
• Row 17: *K1, yo, k1, ssk, k3, p9, k3, k2tog, k1, yo, repeat from * to last st, k1.
• Row 18: P1, *yo, p2, p2tog, p13, ssp, p2, yo, p1, repeat from *.
• Row 19: *K1, yo, k3, ssk, k1, p9, k1, k2tog, k3, yo, repeat from * to last st, k1.
• Row 20: P1, *yo, p4, p2tog, p9, ssp, p4, yo, p1, repeat from *.
• Row 21: *K1, yo, k5, ssk, p7, k2tog, k5, yo, repeat from * to last st, k1.