TII subcells for the SO(6,6) x SO(12) block of SO12
#
cell#0 , |C| = 1
special orbit = [11, 1]
special rep = [[], [6]] , dim = 1
cell rep = phi[[],[6]]
TII depth = 1
TII multiplicity polynomial = X
TII subcells:
  tii[27,1] := {0}