GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#Call pq with flag: '-b' #5gp with a "large" number of (basic format) relations 1 5gp 5 5 1 2 16 0 5 1; 0; 5 2; 0; 5 1 2; 0; 5 1 2 2; 0; 5 1 -2 -2; 0; 5 1 -2; 0; 5 1 1 2; 0; 5 1 1 2 2 ; 0; 5 1 1 -2 -2; 0; 5 1 1 -2; 0; 5 1 2 -1 2 2 ; 0; 5 1 2 1 1 -2; 0; 5 1 2 1 1 2 2 ; 0; 5 1 2 1 -2; 0; 5 1 2 -1 2; 0; 5 1 2 -1 -2; 0; 6 6 6 6 6 2 5GP 0