Shown with a cast-on count of 40 stitches.  

• Row 1 (RS): K3, *k2tog, yo, 2/2 RC, yo, ssk, p2, 1-to-4 inc, p2, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3 (multiple of 16 sts, plus 14).
• Row 2: K3, p8, *k2, p4, k2, p8, repeat from * to last 3 sts, k3.
• Row 3: K3, *k2tog, yo, k4, yo, ssk, p2, yo, k4, yo, p2, repeat from * to last 11 sts, k2tog, yo, k4, yo, ssk, k3 (multiple of 18 sts, plus 14).
• Row 4: K3, p8, *k2, p6, k2, p8, repeat from * to last 3 sts, k3.
• Row 5: K3, *k2tog, yo, 2/2 RC, yo, ssk, p2, k1, yo, 2/2 RC, yo, k1, p2, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3 (multiple of 20 sts, plus 14).
• Rows 6, 8, 10, 12, 14, and 16: K3, p8, *k2, p8, repeat from * to last 3 sts, k3.
• Rows 7, 11, and 15: K3, *k2tog, yo, k4, yo, ssk, p2, repeat from * to last 11 sts, k2tog, yo, k4, yo, ssk, k3.
• Rows 9 and 13: K3, *k2tog, yo, 2/2 RC, yo, ssk, p2, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3.
• Row 17: K3, *k2tog, yo, 2/2 RC, yo, ssk, p1, pfb, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3 (multiple of 11 sts, plus 14).
• Rows 18, 20, 22, and 24: K3, p8, *k3, p8, repeat from * to last 3 sts, k3.
• Rows 19 and 23: K3, *k2tog, yo, k4, yo, ssk, p3, repeat from * to last 11 sts, k2tog, yo, k4, yo, ssk, k3.
• Row 21: K3, *k2tog, yo, 2/2 RC, yo, ssk, p3, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3.
• Row 25: K3, *k2tog, yo, 2/2 RC, yo, ssk, p1, pfb, p1, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3 (multiple of 12 sts, plus 14).
• Rows 26, 28, 30, and 32: K3, p8, *k4, p8, repeat from * to last 3 sts, k3.
• Rows 27 and 31: K3, *k2tog, yo, k4, yo, ssk, p4, repeat from * to last 11 sts, k2tog, yo, k4, yo, ssk, k3.
• Row 29: K3, *k2tog, yo, 2/2 RC, yo, ssk, p4, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3.
• Row 33: K3, *k2tog, yo, 2/2 RC, yo, ssk, p1, pfb, p2, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3 (multiple of 13 sts, plus 14).
• Rows 34, 36, 38, and 40: K3, p8, *k5, p8, repeat from * to last 3 sts, k3.
• Rows 35 and 39: K3, *k2tog, yo, k4, yo, ssk, p5, repeat from * to last 11 sts, k2tog, yo, k4, yo, ssk, k3.
• Row 37: K3, *k2tog, yo, 2/2 RC, yo, ssk, p5, repeat from * to last 11 sts, k2tog, yo, 2/2 RC, yo, ssk, k3.