Shown with a cast-on count of 33 stitches.  

• Rows 1 and 13 (RS): Yo, k2tog tbl, k4, yo, k2tog tbl, *k6, yo, k2tog tbl, repeat from * to last 9 sts, k9.
• Rows 2 and 12: Yo, p2tog, p6, *p2tog, yo, p6, repeat from * to last st, p1 tbl.
• Rows 3 and 11: Yo, k2tog tbl, *k4, [yo, k2tog tbl] twice, repeat from * to last 7 sts, k7.
• Rows 4 and 10: Yo, p2tog, p4, *[p2tog, yo] twice, p4, repeat from * to last 3 sts, p2, p1 tbl.
• Rows 5 and 9: Yo, k2tog tbl, k2, *k2, [yo, k2tog tbl] 3 times, repeat from * to last 5 sts, k5.
• Rows 6 and 8: Yo, p2tog, p2, *[p2tog, yo] 3 times, p2, repeat from * to last 5 sts, p4, p1 tbl.
• Row 7: Yo, k2tog tbl, k4, *yo, k2tog tbl, repeat from * to last 3 sts, k3.
• Rows 14 and 28: Yo, p2tog, purl to last st, p1 tbl.
• Rows 15 and 27: Yo, k2tog tbl, k7, *k2tog, yo, k6, repeat from *.
• Rows 16 and 26: Yo, p2tog, p5, *yo, p2tog, p6, repeat from * to last 2 sts, p1, p1 tbl.
• Rows 17 and 25: Yo, k2tog tbl, k5, *[k2tog, yo] twice, k4, repeat from * to last 2 sts, k2.
• Rows 18 and 24: Yo, p2tog, p5, *[yo, p2tog] twice, p4, repeat from * to last 2 sts, p1, p1 tbl.
• Rows 19 and 23: Yo, k2tog tbl, k3, *[k2tog, yo] 3 times, k2, repeat from * to last 4 sts, k4.
• Rows 20 and 22: Yo, p2tog, p5, *[yo, p2tog] 3 times, p2, repeat from * to last 2 sts, p1, p1 tbl.
• Row 21: Yo, k2tog tbl, k1, *k2tog, yo, repeat from * to last 6 sts, k6.