Shown with a cast-on count of 38 stitches.  

• Row 1 (RS): K1, ctr dbl inc, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 14 sts, k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, ssk, k1 (multiple of 11 sts, plus 17).
• Rows 2, 6, 8, 12, 14, 16, 20, 22, 24, 26, 30, 32, 34, 38, 40, and 44: K3, purl to last 3 sts, k3.
• Rows 3, 9, 17, 27, 35, 41, 45, and 47: K1, ctr dbl inc, knit to last 3 sts, ssk, k1 (1 more st).
• Rows 4, 10, 18, 28, 36, 42, 46, and 48: Knit.
• Row 5: K1, ctr dbl inc, k4, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 12 sts, k9, ssk, k1 (multiple of 11 sts, plus 19).
• Rows 7 and 29: K1, ctr dbl inc, k6, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 11 sts, k8, ssk, k1 (multiple of 11 sts, plus 20).
• Rows 11 and 33: K1, ctr dbl inc, k10, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 9 sts, k6, ssk, k1 (multiple of 11 sts, plus 22).
• Row 13: K1, ctr dbl inc, k1, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 8 sts, k5, ssk, k1 (multiple of 11 sts, plus 12).
• Rows 15 and 37: K1, ctr dbl inc, k3, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 7 sts, k4, ssk, k1 (multiple of 11 sts, plus 13).
• Row 19: K1, ctr dbl inc, k7, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 5 sts, k2, ssk, k1 (multiple of 11 sts, plus 15).
• Rows 21 and 43: K1, ctr dbl inc, k9, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 4 sts, k1, ssk, k1 (multiple of 11 sts, plus 16).
• Row 23: K1, ctr dbl inc, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 3 sts, ssk, k1 (multiple of 11 sts, plus 6).
• Row 25: K1, ctr dbl inc, k2, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 13 sts, k10, ssk, k1 (multiple of 11 sts, plus 18).
• Row 31: K1, ctr dbl inc, k8, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 10 sts, k7, ssk, k1 (multiple of 11 sts, plus 21).
• Row 39: K1, ctr dbl inc, k5, *k2tog, k2tog, yo, k1, yo, k1, yo, k1, yo, ssk, ssk, repeat from * to last 6 sts, k3, ssk, k1 (multiple of 11 sts, plus 14).