Shown with a cast-on count of 90 stitches.  

• Row 1 (RS): K3, [yo, k1, yo, k2, yo, k23, k2tog] 3 times, yo, k3 (97 sts).
• Row 2: K2, k2tog, [p2tog, p28] 3 times, k3 (93 sts).
• Row 3: K3, [yo, k1, yo, k2, yo, k24, k2tog] 3 times, yo, k3 (100 sts).
• Row 4: K2, k2tog, [p2tog, p29] 3 times, k3 (96 sts).
• Row 5: K3, [yo, k1, yo, k2, yo, k25, k2tog] 3 times, yo, k3 (103 sts).
• Row 6: K2, k2tog, [p2tog, p30] 3 times, k3 (99 sts).
• Row 7: K3, [yo, k1, yo, k2, yo, k26, k2tog] 3 times, yo, k3 (106 sts).
• Row 8: K2, k2tog, [p2tog, p31] 3 times, k3 (102 sts).
• Row 9: K3, [yo, k1, yo, k2, yo, k27, k2tog] 3 times, yo, k3 (109 sts).
• Row 10: K2, k2tog, [p2tog, p32] 3 times, k3 (105 sts).
• Row 11: K3, [yo, k1, yo, k2, yo, k28, k2tog] 3 times, yo, k3 (112 sts).
• Row 12: K2, k2tog, [p2tog, p33] 3 times, k3 (108 sts).