Shown with a cast-on count of 9 stitches.  

• Row 1 (RS): K3, [yo, k1] 3 times, yo, k3 (13 sts).
• Row 2: K3, p7, k3.
• Row 3: [K3, yo] twice, M1L, k1, [yo, k3] twice (18 sts).
• Row 4: K3, p12, k3.
• Row 5: K3, yo, k5, yo, k2, yo, k5, yo, k3 (22 sts).
• Row 6: K3, p16, k3.
• Row 7: K3, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, k2, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, k3 (26 sts).
• Row 8: K3, p20, k3.