Shown with a cast-on count of 16 stitches.  

• Rows 1, 7, 9, 11, 17, 19, 21, and 23 (RS): Purl.
• Rows 2 and 18: *1/1 LC, k2, 1/1 LC, 1/1 RC, repeat from *.
• Row 3: M1L, M1L, p16, M1L, M1L (20 sts).
• Row 4: K3, 1/1 LC, k2, 1/1 RC, k2, 1/1 LC, k2, 1/1 RC, k3.
• Row 5: M1L, M1L, p20, M1L, M1L (24 sts).
• Rows 6 and 22: *1/1 RC, k2, 1/1 RC, 1/1 LC, repeat from *.
• Row 8: K3, *1/1 RC, k2, 1/1 LC, repeat from * to last 3 sts, k3.
• Row 10: *1/1 LC, 1/1 RC, 1/1 LC, k2, repeat from *.
• Rows 12 and 28: K1, *1/1 RC, k2, 1/1 LC, k2, repeat from * to last 7 sts, 1/1 RC, k2, 1/1 LC, k1.
• Row 13: M1L, M1L, p24, M1L, M1L (28 sts).
• Row 14: K2, *1/1 RC, k2, 1/1 RC, 1/1 LC, repeat from * to last 2 sts, k2.
• Row 15: M1L, M1L, p28, M1L, M1L (32 sts).
• Rows 16 and 24: K3, *1/1 LC, k2, 1/1 RC, k2, repeat from * to last 5 sts, 1/1 LC, k3.
• Row 20: K1, *1/1 LC, k2, 1/1 RC, k2, repeat from * to last 7 sts, 1/1 LC, k2, 1/1 RC, k1.
• Row 25: P2tog, p2tog, p24, p2tog, p2tog (28 sts).
• Row 26: *K2, 1/1 LC, 1/1 RC, 1/1 LC, repeat from * to last 4 sts, k2, 1/1 LC.
• Row 27: P2tog, p2tog, p20, p2tog, p2tog (24 sts).