Knit Purl 16 in the round

PATTERN IN THE ROUND
Cast on a multiple of 6 stitches.
All odd-number rounds: Knit.
Rounds 2, 4, 6, 8, 10, 12: *Knit 3, purl 3, repeat from * to end.
Rounds 14, 16, 18, 20, 22, 24: *Purl 3, knit 3, repeat from * to end.
Repeat rounds 1-24.

Worked flat, see Knit Purl 16: Stockinette and Garter Rectangles stitch