GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#3 1;1;1 1 3 1 #1 3 % 1 0 0 0 1 0 0 0 1 1,1,1 1 1 1 #1 3 % 1 0 0 0 1 0 0 0 1 1,1;1 1 2 3 #1 3 % -1 0 -1 0 1 -1 0 0 1
