Shown with a cast-on count of 15 stitches.  

• Round 1: Ssk, k4, yo, k3, yo, k4, k2tog.
• Round 2: K15.
• Round 3: Ssk, k5, yo, k1, yo, k5, k2tog.
• Rounds 4, 6, 8, 10, 12, 14, 16, 18, and 20: K7, p1, k7.
• Rounds 5 and 11: Ssk, k3, yo, k2, p1, k2, yo, k3, k2tog.
• Round 7: Ssk, k4, yo, k1, p1, k1, yo, k4, k2tog.
• Rounds 9 and 15: Ssk, k2, yo, k3, p1, k3, yo, k2, k2tog.
• Rounds 13 and 19: Ssk, k1, yo, k4, p1, k4, yo, k1, k2tog.
• Round 17: Ssk, yo, k5, p1, k5, yo, k2tog.