Shown with a cast-on count of 30 stitches.  

• Row 1 (WS): K30.
• Row 2: K3, ssk, knit (29 sts).
• Rows 3, 5, 7, 81, 83, and 85: Knit.
• Row 4: K3, ssk, knit (28 sts).
• Rows 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, and 84: Knit.
• Row 9: K20, purl to last 3 sts, k3.
• Row 11: K20, purl to last 3 sts, yo, k3 (29 sts).
• Row 13: K20, purl to last 3 sts, yo, k3 (30 sts).
• Row 15: K20, purl to last 3 sts, yo, k3 (31 sts).
• Row 17: K20, purl to last 3 sts, yo, k3 (32 sts).
• Row 19: K20, purl to last 3 sts, yo, k3 (33 sts).
• Row 21: K20, purl to last 3 sts, yo, k3 (34 sts).
• Row 23: K20, purl to last 3 sts, yo, k3 (35 sts).
• Row 25: K20, purl to last 3 sts, yo, k3 (36 sts).
• Row 27: K20, purl to last 3 sts, yo, k3 (37 sts).
• Row 29: K20, purl to last 3 sts, yo, k3 (38 sts).
• Row 31: K20, purl to last 3 sts, yo, k3 (39 sts).
• Row 33: K20, purl to last 3 sts, yo, k3 (40 sts).
• Row 35: K20, purl to last 3 sts, yo, k3 (41 sts).
• Row 37: BO 10 sts, k10, purl to last 3 sts, yo, k3 (32 sts).
• Row 39: BO 10 sts, purl to last 3 sts, yo, k3 (23 sts).
• Row 41: Purl to last 3 sts, yo, k3 (24 sts).
• Row 43: Purl to last 3 sts, yo, k3 (25 sts).
• Row 45: Purl to last 3 sts, yo, k3 (26 sts).
• Row 47: Purl to last 3 sts, yo, k3 (27 sts).
• Row 49: Purl to last 3 sts, yo, k3 (28 sts).
• Row 51: Purl to last 3 sts, yo, k3 (29 sts).
• Row 53: Purl to last 3 sts, yo, k3 (30 sts).
• Row 55: Purl to last 3 sts, yo, k3 (31 sts).
• Row 57: Purl to last 3 sts, yo, k3 (32 sts).
• Row 59: Purl to last 3 sts, yo, k3 (33 sts).
• Row 61: Purl to last 3 sts, yo, k3 (34 sts).
• Row 63: Purl to last 3 sts, yo, k3 (35 sts).
• Rows 65, 67, 69, 71, 73, 75, 77, and 79: Purl to last 3 sts, k3.