Shown with a cast-on count of 16 stitches.  

• Row 1 (RS): K16.
• Row 2: K2, [yo, k2tog] twice, k1, [yo] twice, k2tog, [k1, [yo] twice, k2tog] twice, k1 (19 sts).
• Row 3: Sl1 wyib, k2, p1, [k3, p1] twice, k2, [yo, k2tog] twice, k1.
• Row 4: Sl1 wyif, k1, [yo, k2tog] twice, k13.
• Row 5: BO 3 sts, k10, [yo, k2tog] twice, k1 (16 sts).
• Repeat rows 2-5.