Shown with a cast-on count of 0 stitches.  

• Row 1 (WS): CO 11 sts (11 sts).
• Row 2: K1, [k1, yo, k1, yo] 4 times, k2 (19 sts).
• Rows 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 23: Purl.
• Row 4: K3, yo, k1, yo, [k3, yo, k1, yo] 3 times, k3 (27 sts).
• Row 6: K4, yo, k1, yo, [k5, yo, k1, yo] 3 times, k4 (35 sts).
• Row 8: K5, yo, k1, yo, [k7, yo, k1, yo] 3 times, k5 (43 sts).
• Row 10: K6, yo, k1, yo, [k9, yo, k1, yo] 3 times, k6 (51 sts).
• Row 12: K7, yo, k1, yo, [k11, yo, k1, yo] 3 times, k7 (59 sts).
• Row 14: K8, yo, k1, yo, [k13, yo, k1, yo] 3 times, k8 (67 sts).
• Row 16: K9, yo, k1, yo, [k15, yo, k1, yo] 3 times, k9 (75 sts).
• Row 18: K10, yo, k1, yo, [k17, yo, k1, yo] 3 times, k10 (83 sts).
• Row 20: K11, yo, k1, yo, [k19, yo, k1, yo] 3 times, k11 (91 sts).
• Row 22: K12, yo, k1, yo, [k21, yo, k1, yo] 3 times, k12 (99 sts).