Shown with a cast-on count of 16 stitches.  

• Row 1 (RS): K10, [yo, k2tog] twice, yo, k2 (17 sts).
• Row 2: K9, p5, turn (14 sts).
• Row 3: K8, [yo, k2tog] twice, yo, k2 (15 sts).
• Row 4: K10, p5, k3 (18 sts).
• Row 5: K12, [yo, k2tog] twice, yo, k2 (19 sts).
• Row 6: K11, p5, turn (16 sts).
• Row 7: P5, k5, [yo, k2tog] twice, yo, k2 (17 sts).
• Row 8: Knit (20 sts).
• Row 9: K3, p5, k6, [yo, k2tog] twice, yo, k2 (21 sts).
• Row 10: K18, turn (18 sts).
• Row 11: P5, k13.
• Row 12: BO 5 sts, knit (16 sts).