Knit Purl 22 in the round

PATTERN IN THE ROUND
Cast on a multiple of 18 sts.
Rounds 1-4: *K15, p3, repeat from *.
Rounds 5-8: *K3, p15, repeat from *.
Rounds 9-12: K3, *p3, k15, repeat from * to last 15 sts, p3, k12.
Rounds 13-16: P6, *k3, p15, repeat from * to last 12 sts, k3, p9.
Rounds 17-20: K9, *p3, k15, repeat from * to last 9 sts, p3, k6.
Rounds 21-24: P12, *k3, p15, repeat from * to last 6 sts, k3, p3.
Repeat rounds 1-24.

Worked flat, see Knit Purl 22: Zig Zag Rib stitch