keep them in the same order and orientation as in the nuc. Keep them together with the empty frames on the side.
Here's some instructions from Kelley's:
http://www.kelleybees.com/res/uploads/media//Web-info-Nucs.pdf
Here's some instructions from Kelley's:
http://www.kelleybees.com/res/uploads/media//Web-info-Nucs.pdf