TII subcells for the SO(7) x Sp(6,R) block of SO7
#
cell#0 , |C| = 1
special orbit = [1, 1, 1, 1, 1, 1, 1]
special rep = [[], [1, 1, 1]] , dim = 1
cell rep = phi[[],[1, 1, 1]]
TII depth = 1
TII multiplicity polynomial = X
TII subcells:
  tii[1,1] := {0}