Shown with a cast-on count of 5 stitches.  

• Row 1 (RS): Kfb, k4 (6 sts).
• Row 2: P4, k1, kfb (7 sts).
• Row 3: Kfb, p2, k4 (8 sts).
• Row 4: P4, k3, kfb (9 sts).
• Row 5: Kfb, purl (10 sts).
• Row 6: Knit to last st, kfb (11 sts).
• Row 7: Kfb, purl (12 sts).
• Row 8: Knit to last st, kfb (13 sts).
• Row 9: Kfb, p4, k4, p4 (14 sts).
• Row 10: K4, p4, k4, p1, kfb (15 sts).
• Row 11: Kfb, k2, p4, k4, p4 (16 sts).
• Row 12: *K4, p4, repeat from * to last 8 sts, k4, p3, kfb (17 sts).
• Row 13: Kfb, knit (18 sts).
• Row 14: Purl to last st, kfb (19 sts).
• Row 15: Kfb, knit (20 sts).
• Row 16: BO 8 sts, purl to last st, kfb (13 sts).
• Row 17: Kfb, k4, *p4, k4, repeat from * (multiple of 8 sts, plus 6).
• Row 18: *P4, k4, repeat from * to last 6 sts, p4, k1, kfb (multiple of 8 sts, plus 7).
• Row 19: Kfb, p2, k4, *p4, k4, repeat from * (multiple of 8 sts, plus 8).
• Row 20: *P4, k4, repeat from * to last 8 sts, p4, k3, kfb (multiple of 8 sts, plus 9).
• Rows 21 and 23: Kfb, purl (1 more st).
• Rows 22 and 24: Knit to last st, kfb (1 more st).
• Row 25: Kfb, p4, *k4, p4, repeat from * (multiple of 8 sts, plus 6).
• Row 26: *K4, p4, repeat from * to last 6 sts, k4, p1, kfb (multiple of 8 sts, plus 7).
• Row 27: Kfb, k2, p4, *k4, p4, repeat from * (multiple of 8 sts, plus 8).
• Row 28: *K4, p4, repeat from * to last 8 sts, k4, p3, kfb (multiple of 8 sts, plus 9).
• Rows 29 and 31: Kfb, knit (1 more st).
• Row 30: Purl to last st, kfb (1 more st).
• Row 32: BO 8 sts, purl to last st, kfb (7 fewer sts).
• Repeat rows 17-32.