Eyelet Lace 37 in the round

PATTERN IN THE ROUND
Cast on a multiple of 11 stitches.
Round 1: *Yo, ssk, k9, repeat from *.
Rounds 2, 4, 6, 8, 10, and 12: Knit.
Round 3: K1, *yo, ssk, k9, repeat from * to last 10 sts, yo, ssk, k8.
Round 5: K2, *yo, ssk, k4, k2tog, yo, k3, repeat from * to last 9 sts, yo, ssk, k4, k2tog, yo, k1.
Round 7: K3, *yo, ssk, k2, k2tog, yo, k5, repeat from * to last 8 sts, yo, ssk, k2, k2tog, yo, k2.
Round 9: K6, *k2tog, yo, k9, repeat from * to last 5 sts, k2tog, yo, k3.
Round 11: K5, *k2tog, yo, k9, repeat from * to last 6 sts, k2tog, yo, k4.
Repeat rounds 1-12.
Worked flat, see Eyelet Lace 37: Chevron stitch