GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#4 2-1 1 1 1 #1 2 % 1 0 0 1 1,1 1 1 1 #1 2 % 1 0 0 1 1;1 1 1 1 #1 2 % 1 0 0 1 1;1 1 2 1 #1 2 % 0 -1 1 0
