Shown with a cast-on count of 9 stitches.  

• Row 1 (RS): K3, brSl, (k1, yo, k1) in next st, brSl, sl3 wyif (11 sts).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20: K4, [brSl, k1] twice, sl3 wyif.
• Rows 3, 5, 7, 9, 11, 13, 15, 17, and 19: K3, brSl, [k1, brSl] twice, sl3 wyif.
• Row 21: K3, brSl, k1, (k1, yo, k1) in next st, k1, brSl, sl3 wyif (13 sts).
• Rows 22, 24, 26, 28, 30, 32, 34, 36, 38, and 40: K4, [brSl, k1] 3 times, sl3 wyif.
• Rows 23, 25, 27, 29, 31, 33, 35, 37, and 39: K3, brSl, [k1, brSl] 3 times, sl3 wyif.
• Row 41: K3, brSl, k1, brSl, (k1, yo, k1) in next st, brSl, k1, brSl, sl3 wyif (15 sts).
• Rows 42, 44, 46, 48, 50, 52, 54, 56, 58, and 60: K4, [brSl, k1] 4 times, sl3 wyif.
• Rows 43, 45, 47, 49, 51, 53, 55, 57, and 59: K3, brSl, [k1, brSl] 4 times, sl3 wyif.
• Row 61: K3, [brSl, k1] twice, (k1, yo, k1) in next st, [k1, brSl] twice, sl3 wyif (17 sts).
• Rows 62, 64, 66, 68, 70, 72, 74, 76, 78, and 80: K4, [brSl, k1] 5 times, sl3 wyif.
• Rows 63, 65, 67, 69, 71, 73, 75, 77, and 79: K3, brSl, [k1, brSl] 5 times, sl3 wyif.
• Row 81: K3, brSl, [k1, brSl] twice, (k1, yo, k1) in next st, brSl, [k1, brSl] twice, sl3 wyif (19 sts).
• Rows 82, 84, 86, 88, 90, 92, 94, 96, 98, and 100: K4, [brSl, k1] 6 times, sl3 wyif.
• Rows 83, 85, 87, 89, 91, 93, 95, 97, and 99: K3, brSl, [k1, brSl] 6 times, sl3 wyif.
• Row 101: K3, [brSl, k1] 3 times, (k1, yo, k1) in next st, [k1, brSl] 3 times, sl3 wyif (21 sts).
• Rows 102, 104, 106, 108, 110, 112, 114, 116, 118, and 120: K4, [brSl, k1] 7 times, sl3 wyif.
• Rows 103, 105, 107, 109, 111, 113, 115, 117, and 119: K3, brSl, [k1, brSl] 7 times, sl3 wyif.