sol7_2 :=[
Group([[[0, 0, 1, 0, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0], 
  [0, 0, 0, 0, 0, 1, 0], [0, 0, 0, 0, 0, 0, 1], 
  [0, 1, 1, 0, 1, 1, 0], [1, 1, 1, 1, 0, 0, 0],
  [0, 1, 1, 1, 0, 1, 1]]*Z(2),
[[0, 1, 0, 0, 0, 0, 0], [0, 0, 0, 1, 0, 0, 0], 
  [0, 0, 0, 0, 1, 0, 0], [1, 1, 0, 0, 1, 0, 0], 
  [0, 0, 0, 0, 0, 0, 1], [0, 1, 1, 0, 1, 1, 0],
  [0, 1, 0, 0, 0, 1, 0]]*Z(2)]),
Group([[[0, 1, 0, 0, 0, 0, 0], [0, 0, 0, 1, 0, 0, 0], 
  [0, 0, 0, 0, 0, 1, 0], [1, 1, 1, 1, 0, 1, 1], 
  [0, 0, 0, 0, 1, 1, 1], [0, 1, 1, 1, 1, 0, 1],
  [0, 0, 0, 0, 1, 0, 0]]*Z(2),
[[0, 0, 1, 0, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0], 
  [0, 0, 0, 0, 0, 0, 1], [1, 0, 1, 0, 0, 0, 1], 
  [1, 1, 1, 1, 0, 0, 0], [0, 0, 1, 1, 1, 0, 1],
  [1, 0, 0, 0, 0, 1, 0]]*Z(2)])];