Shown with a cast-on count of 3 stitches.  

• Row 1 (RS): Yo, purl to last 2 sts, pfb, pfb (6 sts).
• Row 2: Yo, [kfb] 5 times, k1 (12 sts).
• Row 3: Yo, k9, turn (10 sts).
• Row 4: (K1, p1, k1) in next st, purl (12 sts).
• Row 5: Yo, k8, turn (9 sts).
• Row 6: (K1, p1, k1) in next st, purl (11 sts).
• Row 7: Yo, k7, turn (8 sts).
• Row 8: (K1, p1, k1) in next st, purl (10 sts).
• Row 9: Yo, k6, turn (7 sts).
• Row 10: (K1, p1, k1) in next st, purl (9 sts).
• Row 11: Yo, k5, turn (6 sts).
• Row 12: (K1, p1, k1) in next st, purl (8 sts).
• Row 13: Yo, k4, turn (5 sts).
• Row 14: (K1, p1, k1) in next st, purl (7 sts).
• Row 15: Yo, k3, turn (4 sts).
• Row 16: (K1, p1, k1) in next st, purl (6 sts).
• Row 17: Yo, k2, turn (3 sts).
• Row 18: (K1, p1, k1) in next st, purl (5 sts).
• Row 19: Yo, knit (37 sts).
• Row 20: Yo, k35, turn (36 sts).
• Row 21: (K1, p1, k1) in next st, purl (38 sts).
• Row 22: Yo, k34, turn (35 sts).
• Row 23: (K1, p1, k1) in next st, purl (37 sts).
• Row 24: Yo, k33, turn (34 sts).
• Row 25: (K1, p1, k1) in next st, purl (36 sts).
• Row 26: Yo, k32, turn (33 sts).
• Row 27: (K1, p1, k1) in next st, purl (35 sts).
• Row 28: Yo, k31, turn (32 sts).
• Row 29: (K1, p1, k1) in next st, purl (34 sts).
• Row 30: Yo, k30, turn (31 sts).
• Row 31: (K1, p1, k1) in next st, purl (33 sts).
• Row 32: Yo, k29, turn (30 sts).
• Row 33: (K1, p1, k1) in next st, purl (32 sts).
• Row 34: Yo, k28, turn (29 sts).
• Row 35: (K1, p1, k1) in next st, purl (31 sts).
• Row 36: Yo, k27, turn (28 sts).
• Row 37: (K1, p1, k1) in next st, purl (30 sts).
• Row 38: Yo, k26, turn (27 sts).
• Row 39: (K1, p1, k1) in next st, purl (29 sts).
• Row 40: Yo, k25, turn (26 sts).
• Row 41: (K1, p1, k1) in next st, purl (28 sts).
• Row 42: Yo, k24, turn (25 sts).
• Row 43: (K1, p1, k1) in next st, purl (27 sts).
• Row 44: Yo, k23, turn (24 sts).
• Row 45: (K1, p1, k1) in next st, purl (26 sts).
• Row 46: Yo, k22, turn (23 sts).
• Row 47: (K1, p1, k1) in next st, purl (25 sts).
• Row 48: Yo, k21, turn (22 sts).
• Row 49: (K1, p1, k1) in next st, purl (24 sts).
• Row 50: Yo, k20, turn (21 sts).
• Row 51: (K1, p1, k1) in next st, purl (23 sts).
• Row 52: Yo, k19, turn (20 sts).
• Row 53: (K1, p1, k1) in next st, purl (22 sts).
• Row 54: Yo, k18, turn (19 sts).
• Row 55: (K1, p1, k1) in next st, purl (21 sts).
• Row 56: Yo, k17, turn (18 sts).
• Row 57: (K1, p1, k1) in next st, purl (20 sts).
• Row 58: Yo, k16, turn (17 sts).
• Row 59: (K1, p1, k1) in next st, purl (19 sts).
• Row 60: Yo, k15, turn (16 sts).
• Row 61: (K1, p1, k1) in next st, purl (18 sts).
• Row 62: Yo, k14, turn (15 sts).
• Row 63: (K1, p1, k1) in next st, purl (17 sts).
• Row 64: Yo, k13, turn (14 sts).
• Row 65: (K1, p1, k1) in next st, purl (16 sts).
• Row 66: Yo, k12, turn (13 sts).
• Row 67: (K1, p1, k1) in next st, purl (15 sts).
• Row 68: Yo, k11, turn (12 sts).
• Row 69: (K1, p1, k1) in next st, purl (14 sts).
• Row 70: Yo, k10, turn (11 sts).
• Row 71: (K1, p1, k1) in next st, purl (13 sts).
• Row 72: Yo, k9, turn (10 sts).
• Row 73: (K1, p1, k1) in next st, purl (12 sts).
• Row 74: Yo, k8, turn (9 sts).
• Row 75: (K1, p1, k1) in next st, purl (11 sts).
• Row 76: Yo, k7, turn (8 sts).
• Row 77: (K1, p1, k1) in next st, purl (10 sts).
• Row 78: Yo, k6, turn (7 sts).
• Row 79: (K1, p1, k1) in next st, purl (9 sts).
• Row 80: Yo, k5, turn (6 sts).
• Row 81: (K1, p1, k1) in next st, purl (8 sts).
• Row 82: Yo, k4, turn (5 sts).
• Row 83: (K1, p1, k1) in next st, purl (7 sts).
• Row 84: Yo, k3, turn (4 sts).
• Row 85: (K1, p1, k1) in next st, purl (6 sts).
• Row 86: Yo, k2, turn (3 sts).
• Row 87: (K1, p1, k1) in next st, purl (5 sts).
• Row 88: Yo, k1, turn (2 sts).
• Row 89: (K1, p1, k1) in next st, purl (4 sts).
• Row 90: Knit (142 sts).