GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
%!PS-Adobe-3.0 EPSF-3.0 %%BoundingBox: -57 -55 56 59 %%HiResBoundingBox: -56.18259 -54.76721 55.73885 58.62852 %%Creator: MetaPost 0.993 %%CreationDate: 2009.08.13:1147 %%Pages: 1 %%BeginProlog %%EndProlog %%Page: 1 1 0 0 0 setrgbcolor 0 0.5 dtransform truncate idtransform setlinewidth pop [] 0 setdash 1 setlinejoin 10 setmiterlimit newpath 0 58.37852 moveto -21.37064 0.67754 lineto 38.53716 -35.62717 lineto 55.48885 22.06514 lineto closepath stroke newpath -21.37064 0.67754 moveto -55.93259 -22.2416 lineto 0 -54.51721 lineto 38.53716 -35.62717 lineto closepath stroke newpath -55.93259 -22.2416 moveto -21.37064 0.67754 lineto 0 58.37852 lineto -34.41763 31.81873 lineto closepath stroke [3 9 ] 0 setdash 1 setlinecap newpath -34.41763 31.81873 moveto 0 58.37852 lineto 55.48885 22.06514 lineto 17.67485 -0.56036 lineto closepath stroke newpath 17.67485 -0.56036 moveto 55.48885 22.06514 lineto 38.53716 -35.62717 lineto 0 -54.51721 lineto closepath stroke newpath 0 -54.51721 moveto -55.93259 -22.2416 lineto -34.41763 31.81873 lineto 17.67485 -0.56036 lineto closepath stroke showpage %%EOF