Shown with a cast-on count of 42 stitches.  

• Row 1 (RS): K2, yo, k2tog, *k1, yo, k5, yo, sl1-k2tog-psso, yo, k1, ssk, p1, k2tog, k1, yo, k1, repeat from * to last 4 sts, ssk, yo, k2.
• Row 2: K4, *p4, k1, p2, k1, p9, repeat from * to last 4 sts, k4.
• Row 3: K2, yo, k2tog, *k1, yo, k1, ssk, p1, k2tog, k1, yo, k1, p1, ssk, p1, k2tog, yo, k1, yo, k1, repeat from * to last 4 sts, ssk, yo, k2.
• Row 4: K4, *p5, k1, p1, k1, p4, k1, p4, repeat from * to last 4 sts, k4.
• Row 5: K2, yo, k2tog, *k1, yo, k1, ssk, p1, k2tog, k1, yo, k1, p1, k3tog, yo, k3, yo, k1, repeat from * to last 4 sts, ssk, yo, k2.
• Row 6: K4, *p7, k1, p4, k1, p4, repeat from * to last 4 sts, k4.
• Row 7: K2, yo, k2tog, *k1, yo, k1, ssk, p1, k2tog, k1, yo, k3tog, yo, k5, yo, k1, repeat from * to last 4 sts, ssk, yo, k2.
• Row 8: K4, *p9, k1, p2, k1, p4, repeat from * to last 4 sts, k4.
• Row 9: K2, yo, k2tog, *k1, yo, k1, yo, ssk, p1, k2tog, p1, k1, yo, k1, ssk, p1, k2tog, k1, yo, k1, repeat from * to last 4 sts, ssk, yo, k2.
• Row 10: K4, *p4, k1, p4, k1, p1, k1, p5, repeat from * to last 4 sts, k4.
• Row 11: K2, yo, k2tog, *k1, yo, k3, yo, sl1-k2tog-psso, p1, k1, yo, k1, ssk, p1, k2tog, k1, yo, k1, repeat from * to last 4 sts, ssk, yo, k2.
• Row 12: K4, *p4, k1, p4, k1, p7, repeat from * to last 4 sts, k4.