Shown with a cast-on count of 26 stitches.  

• Row 1 (RS): *P2, k3, k2tog, p2, yo, k1, yo, k2tog, repeat from * to last 2 sts, p2.
• Rows 2, 4, 6, 8, 10, 12, 14, and 16: K2, *p4, k2, p4, k2, repeat from *.
• Row 3: *P2, k2, k2tog, k1, p2, yo, k1, yo, k2tog, repeat from * to last 2 sts, p2.
• Row 5: *P2, k1, k2tog, k2, p2, yo, k1, yo, k2tog, repeat from * to last 2 sts, p2.
• Row 7: *P2, k2tog, k3, p2, yo, k1, yo, k2tog, repeat from * to last 2 sts, p2.
• Row 9: *P2, ssk, yo, k1, yo, p2, ssk, k3, repeat from * to last 2 sts, p2.
• Row 11: *P2, ssk, yo, k1, yo, p2, k1, ssk, k2, repeat from * to last 2 sts, p2.
• Row 13: *P2, ssk, yo, k1, yo, p2, k2, ssk, k1, repeat from * to last 2 sts, p2.
• Row 15: *P2, ssk, yo, k1, yo, p2, k3, ssk, repeat from * to last 2 sts, p2.