They are hardly 1.5/2" x 1" each and 5 or 6 of them - So whats best?

CARRY-ON:
Gray - Square-ish Duffle Bag (Should I be concerned about Overhead Space?)
L W H
24 11 14

- Stacking them up together on a "side" or "side pocket"
- Spreading them on the side wall
- Spreading them flat on bottom - TOGETHER in LINE/ MATRIX? SPREAD OUT? at CORNERS?

Bag Shape most similar to this:
- Squarish: http://www.evo.com/imgp/1500/69394/3...ndependent.jpg
- Side & End Pockets similar to this: http://www.4discounttravel.com/conte...duffel-bag.jpg