Shown with a cast-on count of 17 stitches.  

• Row 1 (RS): PBk, k3, yo, k2tog, yo, k2tog, k1, ssk, yo, ssk, yo, k3, PBk.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, and 26: Purl.
• Row 3: K2, k2tog, yo, k2tog, yo, k1, 3-to-7 gather, k1, yo, ssk, yo, ssk, k2 (21 sts).
• Row 5: K1, k2tog, yo, k2tog, yo, k11, yo, ssk, yo, ssk, k1.
• Row 7: K1, k2tog, yo, k4tog, yo, k2, yo, k3, yo, k2, yo, k4tog, yo, ssk, k1 (19 sts).
• Row 9: K1, ssk, yo, ssk, k3, yo, sl2-k1-p2sso, yo, k3, k2tog, yo, k2tog, k1 (17 sts).
• Row 11: K1, yo, ssk, yo, ssk, k7, k2tog, yo, k2tog, yo, k1.
• Row 13: K2, yo, ssk, yo, ssk, k1, PBk, k1, PBk, k1, k2tog, yo, k2tog, yo, k2.
• Row 15: K3, yo, ssk, yo, ssk, k1, PBk, k1, k2tog, yo, k2tog, yo, k3.
• Row 17: K4, yo, ssk, yo, ssk, k1, k2tog, yo, k2tog, yo, k4.
• Row 19: K5, yo, ssk, yo, sl2-k1-p2sso, yo, k2tog, yo, k5.
• Row 21: K6, yo, ssk, k1, k2tog, yo, k6.
• Row 23: K7, yo, sl2-k1-p2sso, yo, k7.
• Row 25: K4, k2tog, yo, k2tog, yo, k1, yo, ssk, yo, ssk, k4.
• Row 27: K3, k2tog, yo, k2tog, yo, k3, yo, ssk, yo, ssk, k3.