Shown with a cast-on count of 19 stitches.  

• Row 1 (RS): K1, yo, k2tog, yo, k1, yo, ssk, k2, yo, ssk, yo, ssk, k1, k2tog, yo, k4 (20 sts).
• Rows 2, 4, 6, 8, 10, and 12: Knit.
• Row 3: K1, yo, k2tog, yo, k1, PBk, k1, yo, ssk, k2, yo, ssk, yo, ssk, k2, yo, ssk, k2 (21 sts).
• Row 5: K1, yo, k1, k2tog, yo, PBk, PBk, PBk, yo, ssk, k2, yo, ssk, yo, ssk, k3, yo, ssk, k1 (22 sts).
• Row 7: K2tog, yo, sl1-k2tog-psso, yo, k1, PBk, k1, yo, ssk, k2, yo, ssk, yo, ssk, k1, k2tog, yo, k3 (21 sts).
• Row 9: K2tog, yo, k2tog, yo, sl1-k2tog-psso, yo, k2, k2tog, yo, k2tog, yo, k2, k2tog, yo, k4 (20 sts).
• Row 11: K2tog, yo, sl1-k2tog-psso, yo, k2, k2tog, yo, k2tog, yo, k3, k2tog, yo, k4 (19 sts).