Shown with a cast-on count of 3 stitches.  

• Row 1 (RS): K3.
• Row 2: P1, M1L, p1, M1R, p1 (5 sts).
• Rows 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, and 31: *K1, p1, repeat from * to last st, k1.
• Rows 4, 8, 10, 14, 16, 18, 22, 24, 26, 30, and 32: *P1, k1, repeat from * to last st, p1.
• Row 6: *P1, (k1, p1, k1) in next st, repeat from * to last st, p1 (9 sts).
• Row 12: P1, k1, [p1, (k1, p1, k1) in next st] twice, p1, k1, p1 (13 sts).
• Row 20: P1, k1, p1, k1, [p1, (k1, p1, k1) in next st] twice, p1, k1, p1, k1, p1 (17 sts).
• Row 28: P1, k1, p1, k1, p1, k1, [p1, (k1, p1, k1) in next st] twice, p1, k1, p1, k1, p1, k1, p1 (21 sts).
• Row 33: [K1, p1] 5 times, kfb, [p1, k1] 5 times (22 sts).
• Rows 34, 36, and 38: [P1, k1] 5 times, p2, [k1, p1] 5 times.
• Rows 35 and 37: [K1, p1] 5 times, k2, [p1, k1] 5 times.
• Row 39: [K1, p1] 4 times, kfb, p1, k2, p1, kfb, [p1, k1] 4 times (24 sts).
• Rows 40, 42, and 44: [P1, k1] 4 times, [p2, k1] twice, p2, [k1, p1] 4 times.
• Rows 41 and 43: [K1, p1] 4 times, [k2, p1] twice, k2, [p1, k1] 4 times.
• Row 45: [K1, p1] 3 times, kfb, [p1, k2] 3 times, p1, kfb, [p1, k1] 3 times (26 sts).
• Rows 46, 48, and 50: [P1, k1] 3 times, [p2, k1] 4 times, p2, [k1, p1] 3 times.
• Rows 47 and 49: [K1, p1] 3 times, [k2, p1] 4 times, k2, [p1, k1] 3 times.
• Row 51: [K1, p1] twice, kfb, [p1, k2] 5 times, p1, kfb, [p1, k1] twice (28 sts).
• Rows 52, 54, and 56: [P1, k1] twice, [p2, k1] 6 times, p2, [k1, p1] twice.
• Rows 53 and 55: [K1, p1] twice, [k2, p1] 6 times, k2, [p1, k1] twice.
• Row 57: K1, p1, kfb, [p1, k2] 7 times, p1, kfb, p1, k1 (30 sts).
• Rows 58, 60, and 62: P1, k1, [p2, k1] 8 times, p2, k1, p1.
• Rows 59 and 61: K1, p1, [k2, p1] 8 times, k2, p1, k1.
• Row 63: Kfb, [p1, k2] 9 times, p1, kfb (32 sts).
• Rows 64, 66, and 68: *P2, k1, repeat from * to last 2 sts, p2.
• Rows 65, 67, and 69: *K2, p1, repeat from * to last 2 sts, k2.
• Row 70: P2, [k1, p2] 4 times, kfb, p2, kfb, p2, [k1, p2] 4 times (34 sts).
• Rows 71, 73, and 75: [K2, p1] 4 times, [k2, p2] twice, k2, [p1, k2] 4 times.
• Rows 72 and 74: [P2, k1] 4 times, [p2, k2] twice, p2, [k1, p2] 4 times.
• Row 76: P2, [k1, p2] 3 times, kfb, [p2, k2] twice, p2, kfb, p2, [k1, p2] 3 times (36 sts).
• Rows 77, 79, and 81: [K2, p1] 3 times, [k2, p2] 4 times, k2, [p1, k2] 3 times.
• Rows 78 and 80: [P2, k1] 3 times, [p2, k2] 4 times, p2, [k1, p2] 3 times.
• Row 82: P2, [k1, p2] twice, kfb, [p2, k2] 4 times, p2, kfb, p2, [k1, p2] twice (38 sts).
• Rows 83, 85, and 87: [K2, p1] twice, [k2, p2] 6 times, k2, [p1, k2] twice.
• Rows 84 and 86: [P2, k1] twice, [p2, k2] 6 times, p2, [k1, p2] twice.
• Row 88: P2, k1, p2, kfb, [p2, k2] 6 times, p2, kfb, p2, k1, p2 (40 sts).
• Rows 89, 91, and 93: K2, p1, [k2, p2] 8 times, k2, p1, k2.
• Rows 90 and 92: P2, k1, [p2, k2] 8 times, p2, k1, p2.
• Row 94: P2, kfb, [p2, k2] 8 times, p2, kfb, p2 (42 sts).
• Rows 95, 97, and 99: *K2, p2, repeat from * to last 2 sts, k2.
• Rows 96, 98, and 100: *P2, k2, repeat from * to last 2 sts, p2.