Shown with a cast-on count of 0 stitches.  

• Row 1 (RS): CO 13 sts (13 sts).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, and 22: K2, purl to last 2 sts, k2.
• Row 3: K2, [yo, k1] 4 times, k1, [k1, yo] 4 times, k2 (21 sts).
• Row 5: K2, [yo, k2] 4 times, k1, [k2, yo] 4 times, k2 (29 sts).
• Row 7: K2, [yo, k3] 4 times, k1, [k3, yo] 4 times, k2 (37 sts).
• Row 9: K2, [yo, k4] 4 times, k1, [k4, yo] 4 times, k2 (45 sts).
• Row 11: K2, [yo, k5] 4 times, k1, [k5, yo] 4 times, k2 (53 sts).
• Row 13: K2, [yo, k6] 4 times, k1, [k6, yo] 4 times, k2 (61 sts).
• Row 15: K2, [yo, k7] 4 times, k1, [k7, yo] 4 times, k2 (69 sts).
• Row 17: K2, [yo, k8] 4 times, k1, [k8, yo] 4 times, k2 (77 sts).
• Row 19: K2, [yo, k9] 4 times, k1, [k9, yo] 4 times, k2 (85 sts).
• Row 21: K2, [yo, k10] 4 times, k1, [k10, yo] 4 times, k2 (93 sts).