Shown with a cast-on count of 4 stitches.  

• Rounds 1, 7, 9, 11, 13, 15, 17-18, 20-22, and 24-27: Knit.
• Round 2: *K1, kfb, repeat from * (multiple of 3 sts).
• Round 3: *K2, incR, k1, repeat from * (multiple of 4 sts).
• Round 4: *K3, incR, k1, repeat from * (multiple of 5 sts).
• Round 5: *K4, incR, k1, repeat from * (multiple of 6 sts).
• Round 6: *K5, incR, k1, repeat from * (multiple of 7 sts).
• Round 8: *K6, incR, k1, repeat from * (multiple of 8 sts).
• Round 10: *K7, incR, k1, repeat from * (multiple of 9 sts).
• Round 12: *K8, incR, k1, repeat from * (multiple of 10 sts).
• Round 14: *K9, incR, k1, repeat from * (multiple of 11 sts).
• Round 16: *K10, incR, k1, repeat from * (multiple of 12 sts).
• Round 19: *K11, incR, k1, repeat from * (multiple of 13 sts).
• Round 23: *K12, incR, k1, repeat from * (multiple of 14 sts).
• Round 28: *K13, incR, k1, repeat from * (multiple of 15 sts).