TII subcells for the SO(8,8) x SO(16) block of SO16
#
cell#0 , |C| = 1
special orbit = [15, 1]
special rep = [[], [8]] , dim = 1
cell rep = phi[[],[8]]
TII depth = 1
TII multiplicity polynomial = X
TII subcells:
  tii[60,1] := {0}