Shown with a cast-on count of 10 stitches.  

• Row 1 (RS): K10.
• Row 2: K2, [yo, k2tog] 3 times, yo, k2 (11 sts).
• Rows 3, 5, 7, 9, and 11: K3, p1, knit.
• Row 4: K3, [yo, k2tog] 3 times, yo, k2 (12 sts).
• Row 6: K4, [yo, k2tog] 3 times, yo, k2 (13 sts).
• Row 8: K5, [yo, k2tog] 3 times, yo, k2 (14 sts).
• Row 10: K6, [yo, k2tog] 3 times, yo, k2 (15 sts).
• Row 12: BO 5 sts, k9 (10 sts).