Shown with a cast-on count of 28 stitches.  

• Row 1 (WS): K4, yo, p2tog, k17, yo, p2tog, k1, yo, k2 (29 sts).
• Row 2: K4, yo, p2tog, k8, k2tog, yo, k7, yo, p2tog, k4.
• Row 3: K4, yo, p2tog, k17, yo, p2tog, k2, yo, k2 (30 sts).
• Row 4: K5, yo, p2tog, k2tog, yo, yo, yo, k3tog, k2, k2tog, yo, k8, yo, p2tog, k4.
• Row 5: K4, yo, p2tog, k14, p1, k2, yo, p2tog, k3, yo, k2 (31 sts).
• Row 6: K6, yo, p2tog, k6, k2tog, yo, k2, k2tog, yo, yo, k2tog, k3, yo, p2tog, k4.
• Row 7: K4, yo, p2tog, k5, p1, k11, yo, p2tog, k4, yo, k2 (32 sts).
• Row 8: K7, yo, p2tog, k2tog, yo, yo, yo, k3tog, k2tog, yo, k1, k2tog, yo, yo, k2tog, k2tog, yo, yo, k2tog, k1, yo, p2tog, k4.
• Row 9: K4, yo, p2tog, k3, p1, k3, p1, k6, p1, k2, yo, p2tog, k2tog, yo, yo, k2tog, k1, yo, k2 (33 sts).
• Row 10: K6, p1, k1, yo, p2tog, k6, yo, k2tog, k2, k2tog, yo, yo, k2tog, k3, yo, p2tog, k4.
• Row 11: K4, yo, p2tog, k5, p1, k11, yo, p2tog, k8.
• Row 12: BO 5 sts, k2, yo, p2tog, k2tog, yo, yo, yo, k3tog, k1, yo, k2tog, k2tog, yo, yo, k2tog, k2tog, yo, yo, k2tog, k1, yo, p2tog, k4 (28 sts).
• Row 13: K4, yo, p2tog, k3, p1, k3, p1, k6, p1, k2, turn (23 sts).
• Row 14: Sl1 wyib, k6, yo, k2tog, k1, k2tog, yo, yo, k2tog, k3, yo, p2tog, k4.
• Row 15: K4, yo, p2tog, k5, p1, k8, turn (20 sts).
• Row 16: Sl1 wyib, k4, yo, k2tog, k7, yo, p2tog, k4.
• Row 17: K4, yo, p2tog, k12, turn (18 sts).
• Row 18: Sl1 wyib, k3, yo, k2tog, k6, yo, p2tog, k4.
• Row 19: K4, yo, p2tog, k10, turn (16 sts).
• Row 20: Sl1 wyib, k2, yo, k2tog, k5, yo, p2tog, k4.
• Row 21: K4, yo, p2tog, k8, turn (14 sts).
• Row 22: Sl1 wyib, k7, yo, p2tog, k4.
• Row 23: K4, yo, p2tog, k6, turn (12 sts).
• Row 24: Sl1 wyib, k5, yo, p2tog, k4.
• Row 25: K4, yo, p2tog, k4, turn (10 sts).
• Row 26: Sl1 wyib, k3, yo, p2tog, k4.
• Row 27: K4, yo, p2tog, k17, turn (23 sts).
• Row 28: K2tog, yo, yo, yo, k3tog, k12, yo, p2tog, k4.
• Row 29: K4, yo, p2tog, k14, p1, k2, yo, p2tog, k1, yo, k2 (29 sts).
• Repeat rows 2-29.