Shown with a cast-on count of 30 stitches.  

• Rows 1, 3, 7, 9, 11, and 15 (RS): Purl.
• Row 2: *Yo, k2tog, yo, [k2tog] 3 times, k2, yo, k3, yo, ssk, yo, repeat from *.
• Row 4: *Yo, k2tog, [k3tog] twice, yo, k1, yo, k2, [ssk, yo] twice, repeat from * (multiple of 13 sts).
• Row 5: *P9, p2tog, p2, repeat from * (multiple of 12 sts).
• Row 6: *Yo, k3tog, yo, k3, yo, k2, [ssk, yo] twice, repeat from * (multiple of 13 sts).
• Row 8: *Yo, k2tog, yo, k1, [yo, k2, ssk] twice, yo, ssk, yo, repeat from * (multiple of 15 sts).
• Row 10: *Yo, k2tog, yo, k3, yo, k2, [ssk] 3 times, yo, ssk, yo, repeat from *.
• Row 12: *[Yo, k2tog] twice, k2, yo, k1, yo, [sl1-k2tog-psso] twice, ssk, yo, repeat from * (multiple of 13 sts).
• Row 13: *P2, p2tog tbl, p9, repeat from * (multiple of 12 sts).
• Row 14: *[Yo, k2tog] twice, k2, yo, k3, yo, sl1-k2tog-psso, yo, repeat from * (multiple of 13 sts).
• Row 16: *Yo, k2tog, yo, [k2tog, k2, yo] twice, k1, yo, ssk, yo, repeat from * (multiple of 15 sts).