Shown with a cast-on count of 49 stitches.  

• Row 1 (RS): K6, k2tog, yo, *k1, yo, ssk, k11, k2tog, yo, repeat from * to last 9 sts, k1, yo, ssk, k6.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28: Purl.
• Row 3: K5, k2tog, yo, k1, *k2, yo, ssk, k9, k2tog, yo, k1, repeat from * to last 9 sts, k2, yo, ssk, k5.
• Row 5: K4, k2tog, yo, k2tog, *k1, ssk, yo, ssk, k7, k2tog, yo, k2tog, repeat from * to last 9 sts, k1, ssk, yo, ssk, k4 (multiple of 14 sts, plus 15).
• Row 7: K3, k2tog, yo, k1, *3-to-7 gather, k1, yo, ssk, k5, k2tog, yo, k1, repeat from * to last 9 sts, 3-to-7 gather, k1, yo, ssk, k3 (multiple of 18 sts, plus 19).
• Row 9: K2, k2tog, yo, k2tog, k2, yo, k1, *k2, yo, k2, ssk, yo, ssk, k3, k2tog, yo, k2tog, k2, yo, k1, repeat from * to last 10 sts, k2, yo, k2, ssk, yo, ssk, k2.
• Row 11: K1, k2tog, yo, k4tog, yo, k1, yo, k1, *k2, yo, k1, yo, k4tog, yo, ssk, k1, k2tog, yo, k4tog, [yo, k1] twice, repeat from * to last 10 sts, k2, yo, k1, yo, k4tog, yo, ssk, k1 (multiple of 16 sts, plus 17).
• Row 13: K2tog, yo, k5, yo, *sl1-k2tog-psso, yo, k5, yo, sl1-k2tog-psso, yo, k5, yo, repeat from * to last 10 sts, sl1-k2tog-psso, yo, k5, yo, ssk.
• Row 15: K1, yo, ssk, k5, *k6, k2tog, yo, k1, yo, ssk, k5, repeat from * to last 9 sts, k6, k2tog, yo, k1.
• Row 17: K2, yo, ssk, k4, *k5, k2tog, yo, k3, yo, ssk, k4, repeat from * to last 9 sts, k5, k2tog, yo, k2.
• Row 19: K3, yo, ssk, k3, *k4, k2tog, yo, k2tog, k1, ssk, yo, ssk, k3, repeat from * to last 9 sts, k4, k2tog, yo, k3 (multiple of 14 sts, plus 17).
• Row 21: K4, yo, ssk, k2, *k3, k2tog, yo, k1, 3-to-7 gather, k1, yo, ssk, k2, repeat from * to last 9 sts, k3, k2tog, yo, k4 (multiple of 18 sts, plus 17).
• Row 23: K5, yo, ssk, k1, *k2, k2tog, yo, k2tog, k2, yo, k3, yo, k2, ssk, yo, ssk, k1, repeat from * to last 9 sts, k2, k2tog, yo, k5.
• Row 25: K6, yo, ssk, *k1, k2tog, yo, k4tog, yo, k1, yo, k3, yo, k1, yo, k4tog, yo, ssk, repeat from * to last 9 sts, k1, k2tog, yo, k6 (multiple of 16 sts, plus 17).
• Row 27: K7, yo, *sl1-k2tog-psso, yo, k5, yo, sl1-k2tog-psso, yo, k5, yo, repeat from * to last 10 sts, sl1-k2tog-psso, yo, k7.