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GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it

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HAPBARCODE:=[
[
   [ [[-1], [-1, 1]] ]
],

[
   [ [[1], [1, -2, 1]] ]
],

[
   [ [[-1], [-1, 1]],  [[-1], [-1, 0, 0, 0, 0, 0, 1]],  [[1], [1]] ],
   [ [[0], [1]],  [[1, 0, 2, 0, 1], [1, -2, 2, -2, 2, -2, 1]],  [[-1, -1, 0, -\
1, 0, -1], [-1, 1]] ],
   [ [[0], [1]],  [[0], [1]],  [[1], [1, -2, 1]] ]
],

[
   [ [[-1], [-1, 1]],  [[-1], [-1, 0, 0, 0, 0, 0, 1]],  [[1], [1]] ],
   [ [[0], [1]],  [[1], [1, -2, 2, -2, 2, -2, 1]],  [[-1, -1, 0, 1], [-1, 1]] \
],
   [ [[0], [1]],  [[0], [1]],  [[1], [1, -2, 1]] ]
],

[
   [ [[-1], [-1, 3, -3, 1]] ]
]
]
;