Shown with a cast-on count of 42 stitches.  

• Rounds 1, 3, 5, 7, 9, and 11: Knit.
• Round 2: *Ssk, ssk, ssk, k4, yo, k1, yo, k4, k2tog, k2tog, k2tog, repeat from * (multiple of 17 sts).
• Rounds 4, 6, and 8: *Ssk, ssk, ssk, [yo, k1] 5 times, yo, k2tog, k2tog, k2tog, repeat from *.
• Round 10: *Ssk, ssk, ssk, k1, [yo, k1] 4 times, k2tog, k2tog, k2tog, repeat from * (multiple of 15 sts).