Shown with a cast-on count of 42 stitches.  

• Rounds 1 and 5: Purl.
• Rounds 2-3 and 6-7: Knit.
• Round 4: [K2tog] 5 times, [yo, k1] 4 times, yo, [k2tog] 5 times, [yo, k1] 4 times, yo, [k2tog] 5 times, [yo, k1] 4 times, yo.
• Round 8: [K2tog] 4 times, [yo, k1] 4 times, yo, [k2tog] 5 times, [yo, k1] 4 times, yo, [k2tog] 5 times, [yo, k1] 4 times, yo, k2tog.