Shown with a cast-on count of 3 stitches.  

• Row 1 (RS): K3.
• Row 2: K1, yo, k1, yo, k1 (5 sts).
• Row 3: K1, yo, knit to last st, yo, k1 (7 sts).
• Rows 4, 6, 8, 10, and 12: Knit.
• Row 5: K1, yo, k1, yo, k1, yo, k1, yo, k1, yo, k1, yo, k1 (13 sts).
• Rows 7 and 11: Knit.
• Row 9: K1, yo, k3, yo, k1, yo, k3, yo, k1, yo, knit to last st, yo, k1 (19 sts).
• Row 13: K1, yo, k5, yo, k1, yo, k5, yo, k1, yo, k5, yo, k1 (25 sts).