Shown with a cast-on count of 26 stitches.  

• Rows 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, and 35 (WS): Purl.
• Row 2: K2, [yo, k1, yo, k3, k2tog, ssk, k3] twice, k2.
• Row 4: K2, [yo, k3, yo, k2, k2tog, ssk, k2] twice, k2.
• Row 6: K2, [yo, k5, yo, k1, k2tog, ssk, k1] twice, k2.
• Row 8: K2, [yo, k7, yo, k2tog, ssk] twice, k2.
• Row 10: K2, [yo, k3, k2tog, k4, yo, k2tog] twice, k2.
• Rows 12, 34, and 36: K2, [yo, k3, k2tog, ssk, k3, yo, k1] twice, k2.
• Row 14: K2, [k1, yo, k2, k2tog, ssk, k2, yo, k2] twice, k2.
• Row 16: K2, [k2, yo, k1, k2tog, ssk, k1, yo, k3] twice, k2.
• Row 18: K2, [k3, yo, k2tog, ssk, yo, k4] twice, k2.
• Row 20: K2, [k4, yo, k2tog, yo, k3, k2tog] twice, k2.
• Rows 22 and 24: K2, [ssk, k3, yo, k1, yo, k3, k2tog] twice, k2.
• Row 26: K2, [ssk, k2, yo, k3, yo, k2, k2tog] twice, k2.
• Row 28: K2, [ssk, k1, yo, k5, yo, k1, k2tog] twice, k2.
• Row 30: K2, [ssk, yo, k7, yo, k2tog] twice, k2.
• Row 32: K3, [yo, k3, k2tog, k4, yo, k2tog] twice, k1.