Shown with a cast-on count of 12 stitches.  

• Rows 1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, 65, 69, 73, 77, and 81 (RS): Knit.
• Rows 2, 4, 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, and 80: Knit.
• Row 3: K2tog, k2, [yo, k1] 4 times, k2, k2tog (14 sts).
• Row 7: [K2tog] twice, k1, [yo, k1] 4 times, k1, [k2tog] twice.
• Row 11: [K2tog] twice, [yo, k1] 6 times, [k2tog] twice (16 sts).
• Row 15: [K2tog] twice, k2, [yo, k1] 4 times, k2, [k2tog] twice.
• Row 19: [K2tog] twice, k1, [yo, k1] 6 times, k1, [k2tog] twice (18 sts).
• Row 23: [K2tog] 3 times, [yo, k1] 6 times, [k2tog] 3 times.
• Row 27: [K2tog] twice, k2, [yo, k1] 6 times, k2, [k2tog] twice (20 sts).
• Row 31: [K2tog] 3 times, k1, [yo, k1] 6 times, k1, [k2tog] 3 times.
• Row 35: [K2tog] 3 times, [yo, k1] 8 times, [k2tog] 3 times (22 sts).
• Row 39: [K2tog] 3 times, k2, [yo, k1] 6 times, k2, [k2tog] 3 times.
• Row 43: [K2tog] 3 times, k1, [yo, k1] 8 times, k1, [k2tog] 3 times (24 sts).
• Row 47: [K2tog] 4 times, [yo, k1] 8 times, [k2tog] 4 times.
• Row 51: [K2tog] 3 times, k2, [yo, k1] 8 times, k2, [k2tog] 3 times (26 sts).
• Row 55: [K2tog] 4 times, k1, [yo, k1] 8 times, k1, [k2tog] 4 times.
• Row 59: [K2tog] 4 times, [yo, k1] 10 times, [k2tog] 4 times (28 sts).
• Row 63: [K2tog] 4 times, k2, [yo, k1] 8 times, k2, [k2tog] 4 times.
• Row 67: [K2tog] 4 times, k1, [yo, k1] 10 times, k1, [k2tog] 4 times (30 sts).
• Row 71: [K2tog] 4 times, k3, [yo, k1] 8 times, k3, [k2tog] 4 times.
• Row 75: [K2tog] 4 times, k2, [yo, k1] 10 times, k2, [k2tog] 4 times (32 sts).
• Row 79: [K2tog] 4 times, k4, [yo, k1] 8 times, k4, [k2tog] 4 times.