Shown with a cast-on count of 6 stitches.  

• Row 1 (RS): K6.
• Row 2: Knit to last st, kfb (7 sts).
• Row 3: Knit to last st, kfb (8 sts).
• Row 4: Knit to last st, kfb (9 sts).
• Row 5: Knit to last st, kfb (10 sts).
• Row 6: Knit to last st, kfb (11 sts).
• Row 7: Knit to last st, kfb (12 sts).
• Row 8: Knit to last st, kfb (13 sts).
• Row 9: Knit to last st, kfb (14 sts).
• Row 10: Knit.
• Row 11: [K1, yo, k2tog] twice, k2, kfb, k5 (15 sts).
• Row 12: K5, kfb, k5, yo, p2tog, p2 (16 sts).
• Row 13: [K1, yo, k2tog] twice, k3, kfb, k6 (17 sts).
• Row 14: K7, kfb, k5, yo, p2tog, p2 (18 sts).
• Row 15: [K1, yo, k2tog] twice, k4, kfb, k7 (19 sts).
• Row 16: K7, kfb, k7, yo, p2tog, p2 (20 sts).
• Row 17: [K1, yo, k2tog] twice, k6, kfb, k7 (21 sts).
• Row 18: K7, kfb, k9, yo, p2tog, p2 (22 sts).
• Row 19: [K1, yo, k2tog] twice, k8, kfb, k7 (23 sts).
• Row 20: K7, kfb, k11, yo, p2tog, p2 (24 sts).
• Row 21: [K1, yo, k2tog] twice, k10, kfb, k7 (25 sts).
• Row 22: K7, kfb, k2, k11, yo, p2tog, p2 (26 sts).
• Row 23: [K1, yo, k2tog] twice, k12, kfb, k7 (27 sts).
• Row 24: K7, kfb, k15, yo, p2tog, p2 (28 sts).
• Row 25: [K1, yo, k2tog] twice, k15, w&t (21 sts).
• Row 26: K17, yo, p2tog, p2.
• Row 27: [K1, yo, k2tog] twice, k13, yo, k1, kfb, k7 (30 sts).
• Row 28: K4, kfb, p1, p1, yo, p2tog, p1, k1, [yo, p2tog] 4 times, [yo] twice, p2tog, [yo] twice, p2tog, k3, yo, p2tog, p2 (33 sts).
• Row 29: [K1, yo, k2tog] twice, k2, [kfb] twice, k1, [kfb] twice, k9, yo, k2tog, k2, yo, k7 (38 sts).
• Row 30: K7, p1, yo, p1, yo, p2tog, p1, k2, [yo, p2tog] 4 times, k12, yo, p2tog, p2 (39 sts).
• Row 31: [K1, yo, k2tog] twice, k20, yo, k2tog, k2, yo, k2, k7 (40 sts).
• Row 32: K7, p3, p1, yo, p2tog, p1, k3, [yo, p2tog] 4 times, k11, yo, p2tog, p2.
• Row 33: [K1, yo, k2tog] twice, k20, yo, k2tog, k2, yo, k3, k7 (41 sts).
• Row 34: K7, p4, p1, yo, p2tog, p1, k4, [yo, p2tog] 4 times, k10, yo, p2tog, p2.
• Row 35: [K1, yo, k2tog] twice, k20, yo, k2tog, k2, yo, k4, k7 (42 sts).
• Row 36: K7, p5, p1, yo, p2tog, p1, k5, [yo, p2tog] 4 times, k9, yo, p2tog, p2.
• Row 37: [K1, yo, k2tog] twice, k20, yo, k2tog, k2, yo, k5, k7 (43 sts).
• Row 38: K7, p6, p1, yo, p2tog, p1, k6, [yo, p2tog] 4 times, k8, yo, p2tog, p2.
• Row 39: [K1, yo, k2tog] twice, k20, yo, k2tog, k2, yo, p6, k7 (44 sts).
• Row 40: K7, k7, p1, yo, p2tog, p1, k7, [yo, p2tog] 4 times, k7, yo, p2tog, p2.