Shown with a cast-on count of 19 stitches.  

• Row 1 (WS): K19.
• Row 2: K2, M1L, k6, M1L, k3, M1L, k6, M1L, k2 (23 sts).
• Rows 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 25, 29, 33, 37, 41, 45, 49, and 53: Knit.
• Row 4: K2, M1L, [k2tog, yo] 4 times, M1L, k3, M1L, [yo, k2tog] 4 times, M1L, k2 (27 sts).
• Row 6: K2, M1L, k10, M1L, k3, M1L, k10, M1L, k2 (31 sts).
• Row 8: K2, M1L, k12, M1L, k3, M1L, k12, M1L, k2 (35 sts).
• Row 10: K2, M1L, k14, M1L, k3, M1L, k14, M1L, k2 (39 sts).
• Row 12: K2, M1L, k16, M1L, k3, M1L, k16, M1L, k2 (43 sts).
• Row 14: K2, M1L, [k2tog, yo] 9 times, M1L, k3, M1L, [yo, k2tog] 9 times, M1L, k2 (47 sts).
• Row 16: K2, M1L, k20, M1L, k3, M1L, k20, M1L, k2 (51 sts).
• Row 18: K2, M1L, [k2tog, yo] 11 times, M1L, k3, M1L, [yo, k2tog] 11 times, M1L, k2 (55 sts).
• Row 20: K2, M1L, k24, M1L, k3, M1L, k24, M1L, k2 (59 sts).
• Rows 23, 27, 31, 35, 39, 43, 47, and 51: Knit.