TII subcells for the Sp(4,R) x SO(5) block of Sp4
#
cell#0 , |C| = 1
special orbit = [4]
special rep = [[2], []] , dim = 1
cell rep = phi[[2],[]]
TII depth = 1
TII multiplicity polynomial = X
TII subcells:
  tii[3,1] := {0}