Shown with a cast-on count of 17 stitches.  

• Row 1 (RS): K2, yo, k2tog, k1, yo, k2tog, k1, ssk, yo, k3, [yo] twice, k2tog, [yo] twice, k2 (20 sts).
• Row 2: K3, p1, k2, p1, k3, p5, k5.
• Row 3: K2, yo, k2tog, k1, yo, k2tog, k1, ssk, yo, k10.
• Row 4: K2, [yo] twice, k2tog, k1, k2tog, [yo] twice, k2tog, k2, p3, k6 (21 sts).