Shown with a cast-on count of 60 stitches.  

• Rows 1, 3, 5, and 7 (RS): K60.
• Rows 2, 4, and 6: K60.
• Row 8 (RS): K3, M1L, k9, M1R, k2, M1L, k4, M1R, k2, M1L, k20, M1R, k2, M1L, k4, M1R, k2, M1L, k9, M1R, k3 (70 sts).
• Rows 9, 11, 13, 15, 19, 21, 23, 25, 27, 29, 31, 33, and 35: Purl.
• Row 10: K3, M1L, k11, M1R, k2, M1L, k6, M1R, k2, M1L, k22, M1R, k2, M1L, k6, M1R, k2, M1L, k11, M1R, k3 (80 sts).
• Row 12: K3, M1L, k13, M1R, k2, M1L, k8, M1R, k2, M1L, k24, M1R, k2, M1L, k8, M1R, k2, M1L, k13, M1R, k3 (90 sts).
• Row 14: K3, M1L, k15, M1R, k2, M1L, k10, M1R, k2, M1L, k26, M1R, k2, M1L, k10, M1R, k2, M1L, k15, M1R, k3 (100 sts).
• Row 16: K3, M1L, k17, M1R, k2, M1L, k12, M1R, k2, M1L, k28, M1R, k2, M1L, k12, M1R, k2, M1L, k17, M1R, k3 (110 sts).
• Row 17: K3, M1L, k19, M1R, k2, M1L, k14, M1R, k2, M1L, k30, M1R, k2, M1L, k14, M1R, k2, M1L, k19, M1R, k3 (120 sts).
• Row 18: K3, M1L, k21, M1R, k2, M1L, k16, M1R, k2, M1L, k32, M1R, k2, M1L, k16, M1R, k2, M1L, k21, M1R, k3 (130 sts).
• Row 20: K3, M1L, k23, M1R, k2, M1L, k18, M1R, k2, M1L, k34, M1R, k2, M1L, k18, M1R, k2, M1L, k23, M1R, k3 (140 sts).
• Row 22: K3, M1L, k25, M1R, k2, M1L, k20, M1R, k2, M1L, k36, M1R, k2, M1L, k20, M1R, k2, M1L, k25, M1R, k3 (150 sts).
• Row 24: K3, M1L, k27, M1R, k2, M1L, k22, M1R, k2, M1L, k38, M1R, k2, M1L, k22, M1R, k2, M1L, k27, M1R, k3 (160 sts).
• Row 26: K3, M1L, k29, M1R, k2, M1L, k24, M1R, k2, M1L, k40, M1R, k2, M1L, k24, M1R, k2, M1L, k29, M1R, k3 (170 sts).
• Row 28: K3, M1L, k31, M1R, k2, M1L, k26, M1R, k2, M1L, k42, M1R, k2, M1L, k26, M1R, k2, M1L, k31, M1R, k3 (180 sts).
• Row 30: K3, M1L, k33, M1R, k2, M1L, k28, M1R, k2, M1L, k44, M1R, k2, M1L, k28, M1R, k2, M1L, k33, M1R, k3 (190 sts).
• Row 32: K3, M1L, k35, M1R, k2, M1L, k30, M1R, k2, M1L, k46, M1R, k2, M1L, k30, M1R, k2, M1L, k35, M1R, k3 (200 sts).
• Row 34: K3, M1L, k37, M1R, k2, M1L, k32, M1R, k2, M1L, k48, M1R, k2, M1L, k32, M1R, k2, M1L, k37, M1R, k3 (210 sts).
• Row 36: K3, M1L, k39, M1R, k2, M1L, k34, M1R, k2, M1L, k50, M1R, k2, M1L, k34, M1R, k2, M1L, k39, M1R, k3 (220 sts).