TII subcells for the Spin(4,3) x PSp(2,1) block of Spin7
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cell#0 , |C| = 1
special orbit = [7]
special rep = [[3], []] , dim = 1
cell rep = phi[[3],[]]
TII depth = 1
TII multiplicity polynomial = X
TII subcells:
  tii[6,1] := {0}

cell#1 , |C| = 5
special orbit = [5, 1, 1]
special rep = [[2], [1]] , dim = 3
cell rep = phi[[2, 1],[]]+phi[[2],[1]]
TII depth = 1
TII multiplicity polynomial = X+2*X^2
TII subcells:
  tii[5,1] := {1, 4}
  tii[5,2] := {0, 3}
  tii[5,3] := {2}

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