Shown with a cast-on count of 36 stitches.  

• Row 1 (RS): P2, k4, k2tog, p2, *k3, p2, k4, k2tog, p2, repeat from * (multiple of 12 sts, plus 9).
• Row 2: K2, p2tog, p3, k2, *p1, yo, p1, yo, p1, k2, p2tog, p3, k2, repeat from *.
• Row 3: P2, k2, k2tog, p2, *k5, p2, k2, k2tog, p2, repeat from * (multiple of 12 sts, plus 7).
• Row 4: K2, p2tog, p1, k2, *p2, yo, p1, yo, p2, k2, p2tog, p1, k2, repeat from *.
• Row 5: P2, yo, k2tog, yo, p2, *k5, k2tog, p2, yo, k2tog, yo, p2, repeat from * (multiple of 13 sts, plus 7).
• Row 6: K2, p3, k2, *p2tog, p4, k2, p3, k2, repeat from * (multiple of 12 sts, plus 7).
• Row 7: P2, k1, yo, k1, yo, k1, p2, *k3, k2tog, p2, k1, yo, k1, yo, k1, p2, repeat from * (multiple of 13 sts, plus 9).
• Row 8: K2, p5, k2, *p2tog, p2, k2, p5, k2, repeat from * (multiple of 12 sts, plus 9).
• Row 9: P2, k2, yo, k1, yo, k2, p2, *k1, k2tog, p2, k2, yo, k1, yo, k2, p2, repeat from * (multiple of 13 sts, plus 11).
• Row 10: K2, p2tog, p5, k2, *yo, p2tog, yo, k2, p2tog, p5, k2, repeat from * (multiple of 13 sts, plus 10).
• Repeat rows 1-10.