Shown with a cast-on count of 0 stitches.  

• Row 0 (RS): CO 9 sts (9 sts).
• Rows 1, 3, 5, 7, 9, 11, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, and 49: Knit.
• Row 2: K3, *yo, k1, repeat from * to last 3 sts, yo, k3 (13 sts).
• Rows 4, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, and 50: Knit.
• Row 6: K3, *yo, k1, repeat from * to last 3 sts, yo, k3 (21 sts).
• Row 13: K3, *yo, k1, repeat from * to last 3 sts, yo, k3 (37 sts).
• Row 26: K3, *yo, k1, repeat from * to last 3 sts, yo, k3 (69 sts).
• Row 51: K3, *yo, k1, repeat from * to last 3 sts, yo, k3 (133 sts).