Shown with a cast-on count of 70 stitches.  

• Rows 1 and 9 (RS): K2, p1, k12, p1, *k12, p1, repeat from * to last 2 sts, k2.
• Rows 2, 8, 10, and 16: K3, p12, k1, *p12, k1, repeat from * to last 2 sts, k2.
• Row 3: K2, p1, yo, k4, k2tog, ssk, k4, yo, p1, *3/2 LC, k2, 3/2 RC, p1, yo, k4, k2tog, ssk, k4, yo, p1, repeat from * to last 2 sts, k2.
• Row 4: K3, p1, yo, p3, ssp, p2tog, p3, yo, p1, k1, *p12, k1, p1, yo, p3, ssp, p2tog, p3, yo, p1, k1, repeat from * to last 2 sts, k2.
• Row 5: K2, p1, k2, yo, k2, k2tog, ssk, k2, yo, k2, p1, *k3, 3/3 LC, k3, p1, k2, yo, k2, k2tog, ssk, k2, yo, k2, p1, repeat from * to last 2 sts, k2.
• Row 6: K3, p3, yo, p1, ssp, p2tog, p1, yo, p3, k1, *p12, k1, p3, yo, p1, ssp, p2tog, p1, yo, p3, k1, repeat from * to last 2 sts, k2.
• Row 7: K2, p1, k4, yo, k2tog, ssk, yo, k4, p1, *3/2 LC, k2, 3/2 RC, p1, k4, yo, k2tog, ssk, yo, k4, p1, repeat from * to last 2 sts, k2.
• Row 11: K2, p1, 3/2 LC, k2, 3/2 RC, p1, *yo, k4, k2tog, ssk, k4, yo, p1, 3/2 LC, k2, 3/2 RC, p1, repeat from * to last 2 sts, k2.
• Row 12: K3, p12, k1, *p1, yo, p3, ssp, p2tog, p3, yo, p1, k1, p12, k1, repeat from * to last 2 sts, k2.
• Row 13: K2, p1, k3, 3/3 LC, k3, p1, *k2, yo, k2, k2tog, ssk, k2, yo, k2, p1, k3, 3/3 LC, k3, p1, repeat from * to last 2 sts, k2.
• Row 14: K3, p12, k1, *p3, yo, p1, ssp, p2tog, p1, yo, p3, k1, p12, k1, repeat from * to last 2 sts, k2.
• Row 15: K2, p1, 3/2 LC, k2, 3/2 RC, p1, *k4, yo, k2tog, ssk, yo, k4, p1, 3/2 LC, k2, 3/2 RC, p1, repeat from * to last 2 sts, k2.