Shown with a cast-on count of 46 stitches.  

• Rounds 1-14: [K1, p1] 23 times.
• Round 15: *K1, [1-to-5 inc, k6] 3 times, k1, repeat from * (70 sts).
• Round 16: *K1, k5tog, k7, k3tog, k7, k5tog, k7, repeat from * (50 sts).
• Rounds 17-19, 23-26, 29-32, 35-44, 47-50, 53-56, 59-62, 65-68, and 71-74: Knit.
• Round 20: K1, *k21, M1L, k25, M1L, repeat from * to last 3 sts, k3 (52 sts).
• Rounds 21 and 33: K1, *k4, 1-to-5 inc, k7, 1-to-5 inc, k8, 1-to-5 inc, k8, 1-to-5 inc, k7, 1-to-5 inc, k8, 1-to-5 inc, repeat from * to last 3 sts, k3 (76 sts).
• Rounds 22 and 46: K1, *k4, k5tog, k7, k5tog, k8, k5tog, k8, k5tog, k7, k5tog, k8, k5tog, repeat from * to last 3 sts, k3 (52 sts).
• Rounds 27 and 51: *K1, [1-to-5 inc, k7] 3 times, k1, repeat from * (76 sts).
• Rounds 28 and 52: *K1, k5tog, k7, k5tog, k7, k5tog, k8, repeat from * (52 sts).
• Round 34: K1, *k5, k3tog, k8, k5tog, k8, k5tog, k9, k3tog, k8, k5tog, k8, k5tog, repeat from * to last 3 sts, k3 (56 sts).
• Round 45: K1, *k5, (k1, yo, k1) in next st, k8, 1-to-5 inc, k8, 1-to-5 inc, k9, (k1, yo, k1) in next st, k8, 1-to-5 inc, k8, 1-to-5 inc, repeat from * to last 3 sts, k3 (76 sts).
• Round 57: K1, *k4, (k1, yo, k1) in next st, k7, 1-to-5 inc, k8, 1-to-5 inc, k8, (k1, yo, k1) in next st, k7, 1-to-5 inc, k8, 1-to-5 inc, repeat from * to last 3 sts, k3 (72 sts).
• Round 58: *K4, k5tog, k6, k5tog, k8, k5tog, k7, k5tog, k6, k5tog, k8, k5tog, repeat from * to last 3 sts, k3 (48 sts).
• Round 63: *K1, 1-to-5 inc, k5, 1-to-5 inc, k7, 1-to-5 inc, k8, repeat from * (72 sts).
• Round 64: *K1, k5tog, k5, k5tog, k7, k5tog, k8, repeat from * (48 sts).
• Round 69: *K4, 1-to-5 inc, k6, 1-to-5 inc, k8, (k1, yo, k1) in next st, k3, repeat from * (68 sts).
• Round 70: *K4, k5tog, k6, k5tog, k7, k5tog, k2, repeat from * (44 sts).