Shown with a cast-on count of 20 stitches.  

• Row 1 (RS): K3tog, sl1 wyif, yo, 1-to-5 inc, sl1 wyif, yo, sl1-k2tog-psso, sl1 wyif, yo, k2tog, sl1 wyif, yo, k1, k2tog, sl1 wyif, yo, k2tog, sl1 wyif, yo (23 sts).
• Row 2: *Sl1 wyib, yo, k2tog, repeat from * to last 2 sts, sl1 wyib, yo, k1 (24 sts).
• Row 3: *K2tog, sl1 wyif, yo, repeat from *.
• Row 4: *Sl1 wyib, yo, k2tog, repeat from *.