Knit Purl 39 in the round

PATTERN IN THE ROUND
Cast on a multiple of 4 stitches.
Rounds 1-2: *P2, k2, repeat from *.
Rounds 3-4: *K2, p2, repeat from *.
Repeat rounds 1-4.

Worked flat, see Knit Purl 39: Double Moss stitch