Shown with a cast-on count of 21 stitches.  

• Row 1 (RS): K5, *k2tog, yo, k4, repeat from * to last 4 sts, k2tog, yo, k2.
• Row 2: P3, *yo, p2tog, p4, repeat from * to last 6 sts, yo, p2tog, p4.
• Row 3: K3, *k2tog, yo, k4, repeat from * to last 6 sts, k2tog, yo, k4.
• Row 4: P5, *yo, p2tog, p4, repeat from * to last 4 sts, yo, p2tog, p2.
• Row 5: K1, *k2tog, yo, k4, repeat from * to last 8 sts, k2tog, yo, k6.
• Row 6: P5, *ssp, yo, p4, repeat from * to last 4 sts, ssp, yo, p2.
• Row 7: K3, *yo, ssk, k4, repeat from * to last 6 sts, yo, ssk, k4.
• Row 8: P3, *ssp, yo, p4, repeat from * to last 6 sts, ssp, yo, p4.
• Row 9: K5, *yo, ssk, k4, repeat from * to last 4 sts, yo, ssk, k2.
• Row 10: P1, *ssp, yo, p4, repeat from * to last 8 sts, ssp, yo, p6.
• Repeat rows 1-10.