Shown with a cast-on count of 35 stitches.  

• Row 1 (RS): K4, [k1, ssk, k2tog, k2] 4 times, k3 (27 sts).
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28: K2, yo, p2tog, purl to last 4 sts, ssp, yo, k2.
• Row 3: K4, yo, ssk, yo, k2tog, yo, k1, yo, ssk, yo, k2tog, yo, k1, yo, ssk, yo, k2tog, yo, k1, yo, ssk, yo, k2tog, yo, k4 (31 sts).
• Row 5: K4, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k1, yo, ssk, k1, k2tog, yo, k4.
• Row 7: K4, yo, ssk, yo, (p1, k1, p1) in next st, yo, k2tog, yo, k1, yo, ssk, yo, (p1, k1, p1) in next st, yo, k2tog, yo, k1, yo, ssk, yo, (p1, k1, p1) in next st, yo, k2tog, yo, k1, yo, ssk, yo, (p1, k1, p1) in next st, yo, k2tog, yo, k4 (47 sts).
• Row 9: K4, yo, ssk, ssk, yo, k1, yo, k2tog, k2tog, yo, (p1, k1, p1) in next st, yo, ssk, ssk, yo, k1, yo, k2tog, k2tog, yo, (p1, k1, p1) in next st, yo, ssk, ssk, yo, k1, yo, k2tog, k2tog, yo, (p1, k1, p1) in next st, yo, ssk, ssk, yo, k1, yo, k2tog, k2tog, yo, k4 (53 sts).
• Row 11: K4, yo, ssk, ssk, yo, (p1, k1, p1) in next st, yo, k2tog, k2tog, yo, k3, yo, ssk, ssk, yo, (p1, k1, p1) in next st, yo, k2tog, k2tog, yo, k3, yo, ssk, ssk, yo, (p1, k1, p1) in next st, yo, k2tog, k2tog, yo, k3, yo, ssk, ssk, yo, (p1, k1, p1) in next st, yo, k2tog, k2tog, yo, k4 (61 sts).
• Row 13: K4, yo, [ssk] twice, yo, (p1, k1) in next st, k1, (k1, p1) in next st, yo, [k2tog] twice, yo, k3, yo, [ssk] twice, yo, (p1, k1) in next st, k1, (k1, p1) in next st, yo, [k2tog] twice, yo, k3, yo, [ssk] twice, yo, (p1, k1) in next st, k1, (k1, p1) in next st, yo, [k2tog] twice, yo, k3, yo, [ssk] twice, yo, (p1, k1) in next st, k1, (k1, p1) in next st, yo, [k2tog] twice, yo, k4 (69 sts).
• Row 15: K4, yo, ssk, yo, ssk, yo, (k1, p1) in next st, k3, (p1, k1) in next st, yo, k2tog, yo, k2tog, yo, k3, yo, ssk, yo, ssk, yo, (k1, p1) in next st, k3, (p1, k1) in next st, yo, k2tog, yo, k2tog, yo, k3, yo, ssk, yo, ssk, yo, (k1, p1) in next st, k3, (p1, k1) in next st, yo, k2tog, yo, k2tog, yo, k3, yo, ssk, yo, ssk, yo, (k1, p1) in next st, k3, (p1, k1) in next st, yo, k2tog, yo, k2tog, yo, k4 (85 sts).
• Row 17: K4, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k1, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k1, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k1, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, k4 (91 sts).
• Row 19: K4, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k3, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k3, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k3, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, k4 (97 sts).
• Row 21: K4, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k5, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k5, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, (p1, k1) in next st, k5, (k1, p1) in next st, yo, [ssk] twice, yo, ssk, yo, k5, yo, k2tog, yo, [k2tog] twice, yo, knit (103 sts).
• Row 23: K4, yo, [ssk] twice, yo, ssk, yo, (p1, k1) in next st, k3, (k1, p1) in next st, yo, k2tog, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, ssk, yo, (p1, k1) in next st, k3, (k1, p1) in next st, yo, k2tog, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, ssk, yo, (p1, k1) in next st, k3, (k1, p1) in next st, yo, k2tog, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, ssk, yo, (p1, k1) in next st, k3, (k1, p1) in next st, yo, k2tog, yo, [k2tog] twice, yo, k4 (111 sts).
• Row 25: K4, yo, [ssk] twice, yo, ssk, yo, (p1, k1) in next st, k5, (k1, p1) in next st, yo, k2tog, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, ssk, yo, (p1, k1) in next st, k5, (k1, p1) in next st, yo, k2tog, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, ssk, yo, (p1, k1) in next st, k5, (k1, p1) in next st, yo, k2tog, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, ssk, yo, (p1, k1) in next st, k5, (k1, p1) in next st, yo, k2tog, yo, [k2tog] twice, yo, k4 (119 sts).
• Row 27: K4, yo, [ssk] twice, yo, k1, yo, ssk, yo, k7, yo, k2tog, yo, k1, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, k1, yo, ssk, yo, k7, yo, k2tog, yo, k1, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, k1, yo, ssk, yo, k7, yo, k2tog, yo, k1, yo, [k2tog] twice, yo, k9, yo, [ssk] twice, yo, k1, yo, ssk, yo, k7, yo, k2tog, yo, k1, yo, [k2tog] twice, yo, k4 (127 sts).