Shown with a cast-on count of 48 stitches.  

• Row 1 (RS): P48.
• Row 2: [Drop st] 8 times, k32, [drop st] 8 times (32 sts).
• Rows 3 and 5: K32.
• Rows 4 and 6: K32.
• Row 7: K24, turn (24 sts).
• Row 8: K16, turn (16 sts).
• Row 9: K17, turn (17 sts).
• Row 10: K18, turn (18 sts).
• Row 11: K19, turn (19 sts).
• Row 12: K20, turn (20 sts).
• Row 13: K21, turn (21 sts).
• Row 14: K22, turn (22 sts).
• Row 15: K23, turn (23 sts).
• Row 16: K24, turn (24 sts).
• Row 17: K25, turn (25 sts).
• Row 18: K26, turn (26 sts).
• Row 19: K27, turn (27 sts).
• Row 20: K28, turn (28 sts).
• Row 21: K29, turn (29 sts).
• Row 22: K30, turn (30 sts).
• Row 24: Knit (31 sts).
• Repeat rows 3-6.