Shown with a cast-on count of 100 stitches.  

• Row 0 (WS): P100.
• Rows 1, 3, and 5: Kfb, knit to last 5 sts, k2tog, yo, k2tog, k1.
• Rows 2 and 4: Knit.
• Row 6: P22, turn (22 sts).
• Row 7: Sl1 wyib, [k2tog, yo] 9 times, k1, yo, k2 (23 sts).
• Row 8: P20, turn (20 sts).
• Row 9: Sl1 wyib, [k2tog, yo] 8 times, k1, yo, k2 (21 sts).
• Row 10: P18, turn (18 sts).
• Row 11: Sl1 wyib, [k2tog, yo] 7 times, k1, yo, k2 (19 sts).
• Row 12: P16, turn (16 sts).
• Row 13: Sl1 wyib, [k2tog, yo] 6 times, k1, yo, k2 (17 sts).
• Row 14: BO 10 sts, purl (10 fewer sts).
• Repeat rows 1-14.