Shown with a cast-on count of 36 stitches.  

• Row 1 (RS): K21, k2tog, yo, k1, yo, ssk, k10.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, and 44: Purl.
• Row 3: K19, k2tog, k2, yo, k1, yo, k2, ssk, k8.
• Row 5: K18, k2tog, k3, yo, k1, yo, k3, ssk, k7.
• Rows 7 and 9: K17, k2tog, k4, yo, k1, yo, k4, ssk, k6.
• Rows 11 and 13: K17, yo, k2tog, k9, k2tog, yo, k6.
• Row 15: K15, 1/1 RC, k1, yo, k2tog, k7, ssk, yo, k7.
• Row 17: K14, 1/1 RC, k3, yo, k2tog, k5, ssk, yo, k8.
• Row 19: K13, 1/1 RC, k5, yo, k2tog, k3, ssk, yo, k9.
• Row 21: K12, 1/1 RC, k7, yo, k2tog, k1, ssk, yo, k10.
• Row 23: K10, k2tog, yo, k1, yo, ssk, k21.
• Row 25: K8, k2tog, k2, yo, k1, yo, k2, ssk, k19.
• Row 27: K7, k2tog, k3, yo, k1, yo, k3, ssk, k18.
• Rows 29 and 31: K6, k2tog, k4, yo, k1, yo, k4, ssk, k17.
• Rows 33 and 35: K6, yo, ssk, k9, k2tog, yo, k17.
• Row 37: K7, yo, ssk, k7, k2tog, yo, k1, 1/1 LC, k15.
• Row 39: K8, yo, ssk, k5, k2tog, yo, k3, 1/1 LC, k14.
• Row 41: K9, yo, ssk, k3, k2tog, yo, k5, 1/1 LC, k13.
• Row 43: K10, yo, ssk, k1, k2tog, yo, k7, 1/1 LC, k12.