Shown with a cast-on count of 53 stitches.  

• Row 1 (RS): *K1, k2tog, ssk, yo, yo, k2tog, yo, yo, ssk, yo, yo, k2tog, ssk, k7, M1L, k6, repeat from * to last st, k1 (multiple of 27 sts, plus 1).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20: Purl.
• Row 3: *K2, ssk, yo, yo, k2tog, k2 tbl, ssk, yo, yo, k2tog, k6, k2tog, kfb, ssk, k4, repeat from * to last st, k1 (multiple of 26 sts, plus 1).
• Row 5: *K2, ssk, yo, yo, k2tog, k2, ssk, yo, yo, k2tog, k5, k2tog, kfb, kfb, ssk, k3, repeat from * to last st, k1.
• Row 7: *K2, ssk, yo, k2tog, yo, k2, yo, ssk, yo, k2tog, k4, k2tog, k1 tbl, yo, yo, k2, yo, yo, k1 tbl, ssk, k2, repeat from * to last st, k1 (multiple of 28 sts, plus 1).
• Row 9: *K2, yo, sl1-k2tog-psso, yo, k4, yo, sl1-k2tog-psso, yo, k3, k2tog, ssk, yo, yo, k2tog, ssk, yo, yo, k2tog, ssk, k1, repeat from * to last st, k1 (multiple of 26 sts, plus 1).
• Row 11: *K7, M1L, k7, k2tog, ssk, yo, yo, k2tog, yo, yo, ssk, yo, yo, k2tog, ssk, repeat from * to last st, k1 (multiple of 27 sts, plus 1).
• Row 13: *K5, k2tog, kfb, ssk, k6, ssk, yo, yo, k2tog, k2 tbl, ssk, yo, yo, k2tog, k1, repeat from * to last st, k1 (multiple of 26 sts, plus 1).
• Row 15: *K4, k2tog, kfb, kfb, k2tog, k5, ssk, yo, yo, k2tog, k2, ssk, yo, yo, k2tog, k1, repeat from * to last st, k1.
• Row 17: *K3, k2tog, k1 tbl, yo, yo, k2, yo, yo, k1 tbl, ssk, k4, ssk, yo, k2tog, yo, k2, yo, ssk, yo, k2tog, k1, repeat from * to last st, k1 (multiple of 28 sts, plus 1).
• Row 19: *K2, k2tog, ssk, yo, yo, k2tog, ssk, yo, yo, k2tog, ssk, k3, yo, sl1-k2tog-psso, yo, k4, yo, sl1-k2tog-psso, yo, k1, repeat from * to last st, k1 (multiple of 26 sts, plus 1).