GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
10x4 % 1 1 1 1 1 2 4 4 2 -2 0 0 2 2 -2 -2 2 -2 0 0 0 2 2 2 2 0 2 2 0 2 2 2 2 0 2 2 2 -2 0 0
