Shown with a cast-on count of 85 stitches.  

• Row 1 (RS): Sl1 wyib, k23, k2tog, yo, k4, yo, p2tog, k13, [k2tog, yo] twice, k4, yo, p2tog, k11, k2tog, [yo] twice, k2tog, k10, yo, p2tog, k1, yo, k2 (86 sts).
• Row 2: K4, yo, p2tog, k12, p1, k12, yo, p2tog, k21, yo, p2tog, k28, turn (84 sts).
• Row 3: Sl1 wyib, k20, k2tog, yo, k5, yo, p2tog, k12, [k2tog, yo] twice, k5, yo, p2tog, k9, k2tog, [yo] twice, [k2tog] twice, [yo] twice, k2tog, k8, yo, p2tog, k2, yo, k2 (85 sts).
• Row 4: K5, yo, p2tog, k10, p1, k3, p1, k10, yo, p2tog, k21, yo, p2tog, k26, turn (83 sts).
• Row 5: Sl1 wyib, k17, k2tog, yo, k6, yo, p2tog, k11, [k2tog, yo] twice, k6, yo, p2tog, k7, [k2tog, [yo] twice, k2tog] 3 times, k6, yo, p2tog, k3, yo, k2 (84 sts).
• Row 6: K6, yo, p2tog, k8, p1, [k3, p1] twice, k8, yo, p2tog, k21, yo, p2tog, k24, turn (82 sts).
• Row 7: Sl1 wyib, k14, k2tog, yo, k7, yo, p2tog, k10, [k2tog, yo] twice, k7, yo, p2tog, k5, [k2tog, [yo] twice, k2tog] 4 times, k4, yo, p2tog, k2tog, [yo] twice, k2, yo, k2 (84 sts).
• Row 8: K6, p1, k1, yo, p2tog, k6, p1, [k3, p1] 3 times, k6, yo, p2tog, k21, yo, p2tog, k22, turn (82 sts).
• Row 9: Sl1 wyib, k11, k2tog, yo, k1, k2tog, yo, k1, yo, k2tog, k2, yo, p2tog, k9, [k2tog, yo] twice, k1, k2tog, yo, k1, yo, k2tog, k2, yo, p2tog, k3, [k2tog, [yo] twice, k2tog] 5 times, k2, yo, p2tog, k8.
• Row 10: BO 5 sts, k2, yo, p2tog, k4, p1, [k3, p1] 4 times, k4, yo, p2tog, k21, yo, p2tog, k20, turn (75 sts).
• Row 11: Sl1 wyib, k8, k2tog, yo, k1, k2tog, yo, k3, yo, k2tog, k1, yo, p2tog, k8, [k2tog, yo] twice, k1, k2tog, yo, k3, yo, k2tog, k1, yo, p2tog, k5, [k2tog, [yo] twice, k2tog] 4 times, k4, yo, p2tog, k1, yo, k2 (76 sts).
• Row 12: K4, yo, p2tog, k6, p1, [k3, p1] 3 times, k6, yo, p2tog, k21, yo, p2tog, k18, turn (74 sts).
• Row 13: Sl1 wyib, k5, k2tog, yo, k2, k2tog, yo, k3, yo, k2tog, k1, yo, p2tog, k7, [k2tog, yo] twice, k2, k2tog, yo, k3, yo, k2tog, k1, yo, p2tog, k7, [k2tog, [yo] twice, k2tog] 3 times, k6, yo, p2tog, k2, yo, k2 (75 sts).
• Row 14: K5, yo, p2tog, k8, p1, [k3, p1] twice, k8, yo, p2tog, k21, yo, p2tog, k16, turn (73 sts).
• Row 15: Sl1 wyib, k5, yo, k2tog, k2, yo, sl1-k2tog-psso, yo, k3, yo, p2tog, k6, [k2tog, yo] twice, k5, yo, sl1-k2tog-psso, yo, k3, yo, p2tog, k9, k2tog, [yo] twice, [k2tog] twice, [yo] twice, k2tog, k8, yo, p2tog, k3, yo, k2 (74 sts).
• Row 16: K6, yo, p2tog, k10, p1, k3, p1, k10, yo, p2tog, k21, yo, p2tog, k14, turn (72 sts).
• Row 17: Sl1 wyib, k4, yo, k2tog, k7, yo, p2tog, k5, [k2tog, yo] twice, k12, yo, p2tog, k11, k2tog, [yo] twice, k2tog, k10, yo, p2tog, k2tog, [yo] twice, k2, yo, k2 (74 sts).
• Row 18: K6, p1, k1, yo, p2tog, k12, p1, k12, yo, p2tog, k21, yo, p2tog, k12, turn (72 sts).
• Row 19: Sl1 wyib, k3, yo, k2tog, k6, yo, p2tog, k4, k2tog, yo, k2tog, yo, k1, k2tog, yo, k1, yo, k2tog, k7, yo, p2tog, k2, k2tog, [yo] twice, k2tog, k13, k2tog, [yo] twice, k2tog, k2, yo, p2tog, k8.
• Row 20: BO 5 sts, k2, yo, p2tog, k4, p1, k16, p1, k3, yo, p2tog, k21, yo, p2tog, k10, turn (65 sts).
• Row 21: Sl1 wyib, k2, yo, k2tog, k5, yo, p2tog, k3, [k2tog, yo] twice, k1, k2tog, yo, k3, yo, k2tog, k6, yo, p2tog, k4, k2tog, [yo] twice, k2tog, k9, k2tog, [yo] twice, k2tog, k4, yo, p2tog, k1, yo, k2 (66 sts).
• Row 22: K4, yo, p2tog, k6, p1, k12, p1, k5, yo, p2tog, k21, yo, p2tog, k8, turn (64 sts).
• Row 23: Sl1 wyib, k1, yo, k2tog, k4, yo, p2tog, k2, [k2tog, yo] twice, k2, k2tog, yo, k3, yo, k2tog, k6, yo, p2tog, k2, k2tog, [yo] twice, k2tog, k13, k2tog, [yo] twice, k2tog, k2, yo, p2tog, k2, yo, k2 (65 sts).
• Row 24: K5, yo, p2tog, k4, p1, k16, p1, k3, yo, p2tog, k21, yo, p2tog, k6, turn (63 sts).
• Row 25: Sl1 wyib, yo, k2tog, k3, yo, p2tog, k4, [yo, k2tog] twice, k2, yo, sl1-k2tog-psso, yo, k8, yo, p2tog, k11, k2tog, [yo] twice, k2tog, k10, yo, p2tog, k3, yo, k2 (64 sts).
• Row 26: K6, yo, p2tog, k12, p1, k12, yo, p2tog, k21, yo, p2tog, k4, turn (62 sts).
• Row 27: Sl1 wyib, k3, yo, p2tog, k5, [yo, k2tog] twice, k12, yo, p2tog, k9, k2tog, [yo] twice, [k2tog] twice, [yo] twice, k2tog, k8, yo, p2tog, k2tog, [yo] twice, k2, yo, k2 (64 sts).
• Row 28: K6, p1, k1, yo, p2tog, k10, p1, k3, p1, k10, yo, p2tog, k21, yo, p2tog, k2, turn (62 sts).
• Row 29: Sl1 wyib, k1, yo, p2tog, k6, [yo, k2tog] twice, k4, k2tog, yo, k1, yo, k2tog, k2, yo, p2tog, k7, [k2tog, [yo] twice, k2tog] 3 times, k6, yo, p2tog, k8.
• Row 30: BO 5 sts, k2, yo, p2tog, k8, p1, [k3, p1] twice, k8, yo, p2tog, k21, yo, p2tog, turn (55 sts).
• Row 31: Sl1 wyib, k8, [yo, k2tog] twice, k2, k2tog, yo, k3, yo, k2tog, k1, yo, p2tog, k5, [k2tog, [yo] twice, k2tog] 4 times, k4, yo, p2tog, k1, yo, k2 (56 sts).
• Row 32: K4, yo, p2tog, k6, p1, [k3, p1] 3 times, k6, yo, p2tog, k21, turn (54 sts).
• Row 33: Sl1 wyib, k7, [yo, k2tog] twice, k1, k2tog, yo, k3, yo, k2tog, k1, yo, p2tog, k3, [k2tog, [yo] twice, k2tog] 5 times, k2, yo, p2tog, k2, yo, k2 (55 sts).
• Row 34: K5, yo, p2tog, k4, p1, [k3, p1] 4 times, k4, yo, p2tog, k19, turn (53 sts).
• Row 35: Sl1 wyib, k6, [yo, k2tog] twice, k2, yo, sl1-k2tog-psso, yo, k3, yo, p2tog, k5, [k2tog, [yo] twice, k2tog] 4 times, k4, yo, p2tog, k3, yo, k2 (54 sts).
• Row 36: K6, yo, p2tog, k6, p1, [k3, p1] 3 times, k6, yo, p2tog, k17, turn (52 sts).
• Row 37: Sl1 wyib, k5, [yo, k2tog] twice, k7, yo, p2tog, k7, [k2tog, [yo] twice, k2tog] 3 times, k6, yo, p2tog, k2tog, [yo] twice, k2, yo, k2 (54 sts).
• Row 38: K6, p1, k1, yo, p2tog, k8, p1, [k3, p1] twice, k8, yo, p2tog, k15, turn (52 sts).
• Row 39: Sl1 wyib, k4, [yo, k2tog] twice, k6, yo, p2tog, k9, k2tog, [yo] twice, [k2tog] twice, [yo] twice, k2tog, k8, yo, p2tog, k8.
• Row 40: BO 5 sts, k2, yo, p2tog, k10, p1, k3, p1, k10, yo, p2tog, k13, turn (45 sts).
• Row 41: Sl1 wyib, k3, [yo, k2tog] twice, k5, yo, p2tog, k11, k2tog, [yo] twice, k2tog, k10, yo, p2tog, k1, yo, k2 (46 sts).
• Row 42: K4, yo, p2tog, k12, p1, k12, yo, p2tog, k11, turn (44 sts).
• Row 43: Sl1 wyib, k2, [yo, k2tog] twice, k4, yo, p2tog, k2, k2tog, [yo] twice, k2tog, k13, k2tog, [yo] twice, k2tog, k2, yo, p2tog, k2, yo, k2 (45 sts).
• Row 44: K5, yo, p2tog, k4, p1, k16, p1, k3, yo, p2tog, k9, turn (43 sts).
• Row 45: Sl1 wyib, k1, [yo, k2tog] twice, k3, yo, p2tog, k4, k2tog, [yo] twice, k2tog, k9, k2tog, [yo] twice, k2tog, k4, yo, p2tog, k3, yo, k2 (44 sts).
• Row 46: K6, yo, p2tog, k6, p1, k12, p1, k5, yo, p2tog, k7, turn (42 sts).
• Row 47: Sl1 wyib, k2, yo, k2tog, k2, yo, p2tog, k2, k2tog, [yo] twice, k2tog, k13, k2tog, [yo] twice, k2tog, k2, yo, p2tog, k2tog, [yo] twice, k2, yo, k2 (44 sts).
• Row 48: K6, p1, k1, yo, p2tog, k4, p1, k16, p1, k3, yo, p2tog, k5, turn (42 sts).
• Row 49: Sl1 wyib, k1, yo, k2tog, k1, yo, p2tog, k11, k2tog, [yo] twice, k2tog, k10, yo, p2tog, k8.
• Row 50: BO 5 sts, k2, yo, p2tog, k12, p1, k12, yo, p2tog, k3, turn (35 sts).
• Row 51: Sl1 wyib, yo, k2tog, yo, p2tog, k9, k2tog, [yo] twice, [k2tog] twice, [yo] twice, k2tog, k8, yo, p2tog, k1, yo, k2 (36 sts).
• Row 52: K4, yo, p2tog, k10, p1, k3, p1, k10, yo, p2tog, k1, turn (34 sts).
• Row 53: Sl1 wyib, yo, p2tog, k7, [k2tog, [yo] twice, k2tog] 3 times, k6, yo, p2tog, k2, yo, k2 (35 sts).
• Row 54: K5, yo, p2tog, k8, p1, [k3, p1] twice, k9, turn (33 sts).
• Row 55: Sl1 wyib, k5, [k2tog, [yo] twice, k2tog] 4 times, k4, yo, p2tog, k3, yo, k2 (34 sts).
• Row 56: K6, yo, p2tog, k6, p1, [k3, p1] 3 times, k5, turn (32 sts).
• Row 57: Sl1 wyib, k1, [k2tog, [yo] twice, k2tog] 5 times, k2, yo, p2tog, k2tog, [yo] twice, k2, yo, k2 (34 sts).
• Row 58: K6, p1, k1, yo, p2tog, k4, p1, [k3, p1] 4 times, k1, turn (32 sts).
• Row 59: Sl1 wyib, k1, [k2tog, [yo] twice, k2tog] 4 times, k4, yo, p2tog, k8.
• Row 60: BO 5 sts, k2, yo, p2tog, k6, p1, [k3, p1] 3 times, k1, turn (25 sts).
• Row 61: Sl1 wyib, k1, [k2tog, [yo] twice, k2tog] 3 times, k6, yo, p2tog, k1, yo, k2 (26 sts).
• Row 62: K4, yo, p2tog, k8, p1, [k3, p1] twice, k1, turn (24 sts).
• Row 63: Sl1 wyib, k1, k2tog, [yo] twice, [k2tog] twice, [yo] twice, k2tog, k8, yo, p2tog, k2, yo, k2 (25 sts).
• Row 64: K5, yo, p2tog, k10, p1, k3, p1, k1, turn (23 sts).
• Row 65: Sl1 wyib, k1, k2tog, [yo] twice, k2tog, k10, yo, p2tog, k3, yo, k2 (24 sts).
• Row 66: K6, yo, p2tog, k12, p1, k1, turn (22 sts).
• Row 67: Sl1 wyib, k7, k2tog, [yo] twice, k2tog, k2, yo, p2tog, k2tog, [yo] twice, k2, yo, k2 (24 sts).
• Row 68: K6, p1, k1, yo, p2tog, k4, p1, k7, turn (22 sts).
• Row 69: Sl1 wyib, k3, k2tog, [yo] twice, k2tog, k4, yo, p2tog, k8.
• Row 70: BO 5 sts, k2, yo, p2tog, k6, p1, k3, turn (15 sts).
• Row 71: Sl1 wyib, k3, k2tog, [yo] twice, k2tog, k2, yo, p2tog, k1, yo, k2 (16 sts).
• Row 72: K4, yo, p2tog, k4, p1, k3, turn (14 sts).
• Row 73: Sl1 wyib, k7, yo, p2tog, k2, yo, k2 (15 sts).
• Row 74: K5, yo, p2tog, k6, turn (13 sts).
• Row 75: Sl1 wyib, k5, yo, p2tog, k3, yo, k2 (14 sts).
• Row 76: K6, yo, p2tog, k4, turn (12 sts).
• Row 77: Sl1 wyib, k3, yo, p2tog, k2tog, [yo] twice, k2, yo, k2 (14 sts).
• Row 78: K6, p1, k1, yo, p2tog, k2, turn (12 sts).
• Row 79: Sl1 wyib, k1, yo, p2tog, k8.
• Row 80: BO 5 sts, k2, yo, p2tog, k80 (85 sts).