Shown with a cast-on count of 42 stitches.  

• Row 1 (RS): P6, *ssk, yo, k2, yo, k2tog, k6, repeat from * to last 12 sts, ssk, yo, k2, yo, k2tog, p6.
• Rows 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, and 28: Purl.
• Row 3: P5, *ssk, yo, k4, yo, k2tog, k4, repeat from * to last 13 sts, ssk, yo, k4, yo, k2tog, p5.
• Row 5: P4, *ssk, yo, k6, yo, k2tog, k2, repeat from * to last 14 sts, ssk, yo, k6, yo, k2tog, p4.
• Row 7: P3, *ssk, yo, k8, yo, k2tog, repeat from * to last 15 sts, ssk, yo, k8, yo, k2tog, p3.
• Rows 9, 11, and 13: P2, *k2, p10, repeat from * to last 16 sts, k2, p10, k2, p2.
• Row 15: P4, *yo, k2tog, k6, ssk, yo, k2, repeat from * to last 14 sts, yo, k2tog, k6, ssk, yo, p4.
• Row 17: P5, *yo, k2tog, k4, ssk, yo, k4, repeat from * to last 13 sts, yo, k2tog, k4, ssk, yo, p5.
• Row 19: P6, *yo, k2tog, k2, ssk, yo, k6, repeat from * to last 12 sts, yo, k2tog, k2, ssk, yo, p6.
• Row 21: P7, *yo, k2tog, ssk, yo, k8, repeat from * to last 11 sts, yo, k2tog, ssk, yo, p7.
• Rows 23, 25, and 27: P8, *k2, p10, repeat from * to last 10 sts, k2, p8.