Eyelet Lace 42 in the round

PATTERN IN THE ROUND
Cast on a multiple of 19 stitches.
Round 1: *Yo, k3, ssk, p8, k2tog, k3, yo, p1, repeat from *.
Rounds 2, 4, 6, 8, and 10: Knit.
Round 3: *K1, yo, k3, ssk, p6, k2tog, k3, yo, k1, p1, repeat from *.
Round 5: *K2, yo, k3, ssk, p4, k2tog, k3, yo, k2, p1, repeat from *.
Round 7: *K3, yo, k3, ssk, p2, k2tog, k3, yo, k3, p1, repeat from *.
Round 9: *K4, yo, k3, ssk, k2tog, k3, yo, k4, p1, repeat from *.
Repeat rounds 1-10.
Worked flat, see Eyelet Lace 42: Fir Tree stitch