Shown with a cast-on count of 22 stitches.  

• Round 1: *P3, k4, k2tog, k2, yo, repeat from *.
• Rounds 2, 4, 6, 8, 10, and 12: Knit.
• Round 3: *P3, k3, k2tog, k3, yo, repeat from *.
• Round 5: *P3, k2, ssk, k4, yo, repeat from *.
• Round 7: *P3, yo, k2, ssk, k4, repeat from *.
• Round 9: *P3, k1, yo, k2, ssk, k3, repeat from *.
• Round 11: *P3, k2, yo, k2, k2tog, k2, repeat from *.