Twist Cable 30 in the round

PATTERN IN THE ROUND
Cast on a multiple of 6 stitches.
Round 1: *Purl 3, knit 3, repeat from *.
Round 2: *Purl 3, knit 3, repeat from *.
Round 3: *Purl 3, knit 3, repeat from *.
Round 4: *Purl 3, knit 3, repeat from *.
Round 5: *Purl 3, knit 3, repeat from * to last 6 stitches, purl 3, slip 3.
Remove marker, slip 3 stitches back onto left needle. Replace marker. This is the new end of round.
Round 6: *3/3 LPC, repeat from *.
Repeat rounds 1-6. Worked flat, see Twist Cable 30: Left Diagonal stitch