TII subcells for the SO(3,2) x Sp(1,1) block of SO5
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cell#0 , |C| = 1
special orbit = [5]
special rep = [[2], []] , dim = 1
cell rep = phi[[2],[]]
TII depth = 1
TII multiplicity polynomial = X
TII subcells:
  tii[3,1] := {0}

cell#1 , |C| = 3
special orbit = [3, 1, 1]
special rep = [[1], [1]] , dim = 2
cell rep = phi[[1, 1],[]]+phi[[1],[1]]
TII depth = 1
TII multiplicity polynomial = X+X^2
TII subcells:
  tii[2,1] := {1, 2}
  tii[2,2] := {0}