Shown with a cast-on count of 6 stitches.  

• Rounds 1-2: K6.
• Round 3: [K1, M1L] 6 times (12 sts).
• Rounds 4, 6, 8, 10, 12-16, 18, 20, 22, and 24: Knit.
• Round 5: [K2, M1L] 6 times (18 sts).
• Round 7: [K3, M1L] 6 times (24 sts).
• Round 9: [K4, M1L] 6 times (30 sts).
• Round 11: [K5, M1L] 6 times (36 sts).
• Round 17: [K4, k2tog] 6 times (30 sts).
• Round 19: [K3, k2tog] 6 times (24 sts).
• Round 21: [K2, k2tog] 6 times (18 sts).
• Round 23: [K1, k2tog] 6 times (12 sts).
• Round 25: [K2tog] 6 times (6 sts).