Shown with a cast-on count of 34 stitches.  

• Row 1 (RS): K9, *k2tog, yo, k8, repeat from * to last 5 sts, k2tog, yo, k3.
• Row 2: P4, *yo, k2tog, p8, repeat from * to last 10 sts, yo, k2tog, k8.
• Row 3: K7, *k2tog, yo, k8, repeat from * to last 7 sts, k2tog, yo, k5.
• Row 4: P6, *yo, k2tog, p8, repeat from * to last 8 sts, yo, k2tog, p6.
• Row 5: K5, *k2tog, yo, k8, repeat from * to last 9 sts, k2tog, yo, k7.
• Row 6: P8, *yo, k2tog, p8, repeat from * to last 6 sts, yo, k2tog, p4.
• Row 7: K3, *k2tog, yo, k8, repeat from * to last 11 sts, k2tog, yo, k9.
• Row 8: P10, *yo, k2tog, p8, repeat from * to last 4 sts, yo, k2tog, p2.
• Row 9: K3, *yo, ssk, k8, repeat from * to last 11 sts, yo, ssk, k9.
• Row 10: P8, *ssk, yo, p8, repeat from * to last 6 sts, ssk, yo, p4.
• Row 11: K5, *yo, ssk, k8, repeat from * to last 9 sts, yo, ssk, k7.
• Row 12: P6, *ssk, yo, p8, repeat from * to last 8 sts, ssk, yo, p6.
• Row 13: K7, *yo, ssk, k8, repeat from * to last 7 sts, yo, ssk, k5.
• Row 14: P4, *ssk, yo, p8, repeat from * to last 10 sts, ssk, yo, p8.
• Row 15: K9, *yo, ssk, k8, repeat from * to last 5 sts, yo, ssk, k3.
• Row 16: P2, *ssk, yo, p8, repeat from * to last 12 sts, ssk, yo, p10.
• Repeat rows 1-16.