Rather than 3 XIs I tend to think of it as a First XI, a First XVIII, and a squad of XXVII to cover injury and suspension.
XI
Kuszczak
Ward
Upson
Greer
Bruno
Orlandi
Andrews
Bridcutt
Agustien
Spanish
Ulloa
XVIII
Ankers
ElAbd
Calderon
Buckley
KLL
Barnes
Crofts
XXVII
Brezovan
Dunk
Ince
JFC...