Shown with a cast-on count of 18 stitches.  

• Round 1: *K7, k2tog, repeat from * (multiple of 8 sts).
• Rounds 2, 5, 7, 9, 11, and 13: Purl.
• Round 3: *K6, k2tog, repeat from * (multiple of 7 sts).
• Round 6: *K5, k2tog, repeat from * (multiple of 6 sts).
• Round 8: *K4, k2tog, repeat from * (multiple of 5 sts).
• Round 10: *K3, k2tog, repeat from * (multiple of 4 sts).
• Round 12: *K2, k2tog, repeat from * (multiple of 3 sts).
• Round 14: *K1, k2tog, repeat from * (multiple of 2 sts).