Shown with a cast-on count of 29 stitches.  

• Row 1 (RS): P1, *p3, k3, p1, k3, p4, repeat from *.
• Rows 2, 22, and 24: *K4, p3, k1, p3, k3, repeat from * to last st, k1.
• Rows 3 and 23: P1, *p3, p3so-k1-yo-k1, p1, p3so-k1-yo-k1, p4, repeat from *.
• Row 4: *K4, p1, p1 tbl, p1, k1, p1, p1 tbl, p1, k3, repeat from * to last st, k1.
• Row 5: P1, *p2, k2tog, k2, yo, p1, yo, k2, ssk, p3, repeat from *.
• Rows 6 and 20: *[K3, p3] twice, k2, repeat from * to last st, k1.
• Row 7: P1, *p1, k2tog, k2, yo, p3, yo, k2, ssk, p2, repeat from *.
• Rows 8 and 18: *K2, p3, k5, p3, k1, repeat from * to last st, k1.
• Row 9: P1, *k2tog, k2, yo, p5, yo, k2, ssk, p1, repeat from *.
• Rows 10, 12, and 14: *K1, p3, k7, p3, repeat from * to last st, k1.
• Rows 11 and 15: P1, *p3so-k1-yo-k1, p7, p3so-k1-yo-k1, p1, repeat from *.
• Row 13: P1, *k3, p7, k3, p1, repeat from *.
• Row 16: *K1, p1, p1 tbl, p1, k7, p1, p1 tbl, p1, repeat from * to last st, k1.
• Row 17: P1, *yo, k2, ssk, p5, k2tog, k2, yo, p1, repeat from *.
• Row 19: P1, *p1, yo, k2, ssk, p3, k2tog, k2, yo, p2, repeat from *.
• Row 21: P1, *p2, yo, k2, ssk, p1, k2tog, k2, yo, p3, repeat from *.