Shown with a cast-on count of 25 stitches.  

• Row 1 (RS): K25.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, and 40: Purl.
• Row 3: K6, turn (6 sts).
• Row 5: K12, turn (12 sts).
• Row 7: K18, turn (18 sts).
• Row 9: K3, ssk, knit (24 sts).
• Row 11: Knit to last 3 sts, M1L, k3 (25 sts).
• Row 13: Knit to last 3 sts, M1L, k3 (26 sts).
• Row 15: Knit to last 3 sts, M1L, k3 (27 sts).
• Rows 17 and 23: K3, ssk, knit to last 3 sts, M1L, k3.
• Row 19: Knit to last 3 sts, M1L, k3 (28 sts).
• Row 21: Knit to last 3 sts, M1L, k3 (29 sts).
• Row 25: Knit to last 3 sts, M1L, k3 (30 sts).
• Rows 27, 31, 35, and 39: Knit.
• Row 29: Knit to last 3 sts, M1L, k3 (31 sts).
• Row 33: Knit to last 3 sts, M1L, k3 (32 sts).
• Row 37: Knit to last 3 sts, M1L, k3 (33 sts).