Shown with a cast-on count of 10 stitches.  

• Row 1 (RS): *K4, yo, k1, repeat from * (multiple of 6 sts).
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: Purl.
• Row 3: *K4, p2tog, repeat from * (multiple of 5 sts).
• Row 5: *K1, yo, k4, repeat from * (multiple of 6 sts).
• Row 7: *K1, p2tog, k3, repeat from * (multiple of 5 sts).
• Row 9: *K2, yo, k3, repeat from * (multiple of 6 sts).
• Row 11: *K2, p2tog, k2, repeat from * (multiple of 5 sts).
• Row 13: *K3, yo, k2, repeat from * (multiple of 6 sts).
• Row 15: *K3, p2tog, k1, repeat from * (multiple of 5 sts).