Knit Purl 65 in the round

PATTERN IN THE ROUND
Cast on a multiple of 20 sts.
Rounds 1-3: *P10, k10, repeat from *.
Rounds 4-7: *P3, k4, p3, k3, p4, k3, repeat from *.
Rounds 8-10: *P10, k10, repeat from *.
Rounds 11-13 and 18-20: *K10, p10, repeat from *.
Rounds 14-17: *K3, p4, k3, p3, k4, p3, repeat from *.
Repeat rounds 1-20.

Worked flat, see Knit Purl 65: Stacked Boxes