Shown with a cast-on count of 37 stitches.  

• Row 1 (RS): K1, k3, k2tog, yo, k1, *yo, ssk, k7, k2tog, yo, k1, repeat from * to last 6 sts, yo, ssk, k3, k1.
• Row 2: P1, p2, ssk, p1, yo, p1, *yo, p1, k2tog, p5, ssk, p1, yo, p1, repeat from * to last 6 sts, yo, p1, k2tog, p2, p1.
• Row 3: K1, k1, k2tog, k2, yo, k1, *yo, k2, ssk, k3, k2tog, k2, yo, k1, repeat from * to last 6 sts, yo, k2, ssk, k1, k1.
• Row 4: P1, ssk, p3, yo, p1, *yo, p3, k2tog, p1, ssk, p3, yo, p1, repeat from * to last 6 sts, yo, p3, k2tog, p1.
• Row 5: K6, yo, k1, *yo, k4, sl1-k2tog-psso, k4, yo, k1, repeat from * to last 6 sts, yo, k6 (multiple of 12 sts, plus 15).
• Row 6: P1, yo, sl1-k2tog-psso, p7, *ssk, yo, p1, yo, k2tog, p7, repeat from * to last 4 sts, k3tog, yo, p1 (multiple of 12 sts, plus 13).
• Row 7: K1, *yo, k1, ssk, k5, k2tog, k1, yo, k1, repeat from *.
• Row 8: P1, *yo, p2, k2tog, p3, ssk, p2, yo, p1, repeat from *.
• Row 9: K1, *yo, k3, ssk, k1, k2tog, k3, yo, k1, repeat from *.
• Row 10: P1, *yo, p4, k3tog, p4, yo, p1, repeat from *.
• Repeat rows 1-10.