GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
%!PS-Adobe-3.0 EPSF-3.0 %%BoundingBox: -35 -32 55 61 %%HiResBoundingBox: -34.01416 -31.74144 54.76532 60.38231 %%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 60.13231 moveto -33.76416 -11.30176 lineto -21.06374 -31.49144 lineto closepath stroke newpath 0 60.13231 moveto -21.06374 -31.49144 lineto 54.51532 -17.60437 lineto closepath stroke [3 9 ] 0 setdash 1 setlinecap newpath 0 60.13231 moveto 54.51532 -17.60437 lineto -33.76416 -11.30176 lineto closepath stroke newpath -33.76416 -11.30176 moveto 54.51532 -17.60437 lineto -21.06374 -31.49144 lineto closepath stroke showpage %%EOF