GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
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6.9-45168[2XSCIsPure[102X 6.9-46169[2XSCIsShellable[102X 6.9-47170[2XSCIsSimplicialComplex[102X 5.1-1171[2XSCIsSimplyConnected[102X 12.1-14172[2XSCIsSimplyConnectedEx[102X 12.1-15173[2XSCIsSphere[102X 12.1-16174[2XSCIsStronglyConnected[102X 6.9-48175[2XSCIsSubcomplex[102X 6.10-10176[2XSCIsTight[102X 11.1-1177[2XSCJoin[102X 6.10-13178[2XSCLabelMax[102X 4.2-1179[2XSCLabelMin[102X 4.2-2180[2XSCLabels[102X 4.2-3181[2XSCLib[102X 13.1-2182[2XSCLibAdd[102X 13.1-3183[2XSCLibAllComplexes[102X 13.1-4184[2XSCLibDelete[102X 13.1-5185[2XSCLibDetermineTopologicalType[102X 13.1-6186[2XSCLibFlush[102X 13.1-7187[2XSCLibInit[102X 13.1-8188[2XSCLibIsLoaded[102X 13.1-9189[2XSCLibSearchByAttribute[102X 13.1-10190[2XSCLibSearchByName[102X 13.1-11191[2XSCLibSize[102X 13.1-12192[2XSCLibStatus[102X 13.1-14193[2XSCLibUpdate[102X 13.1-13194[2XSCLink[102X 4.3-2195[2XSCLinks[102X 4.3-3196[2XSCLoad[102X 13.2-1197[2XSCLoadXML[102X 13.2-2198[2XSCMailClearPending[102X 15.2-1199[2XSCMailIsEnabled[102X 15.2-2200[2XSCMailIsPending[102X 15.2-3201[2XSCMailSend[102X 15.2-4202[2XSCMailSendPending[102X 15.2-5203[2XSCMailSetAddress[102X 15.2-6204[2XSCMailSetEnabled[102X 15.2-7205[2XSCMailSetMinInterval[102X 15.2-8206[2XSCMappingCylinder[102X 10.2-2207[2XSCMinimalNonFaces[102X 6.9-49208[2XSCMinimalNonFacesEx[102X 6.9-50209[2XSCMorseEngstroem[102X 12.1-5210[2XSCMorseIsPerfect[102X 11.1-2211[2XSCMorseMultiplicityVector[102X 11.1-4212[2XSCMorseNumberOfCriticalPoints[102X 11.1-5213[2XSCMorseRandom[102X 12.1-6214[2XSCMorseRandomLex[102X 12.1-7215[2XSCMorseRandomRevLex[102X 12.1-8216[2XSCMorseSpec[102X 12.1-9217[2XSCMorseUST[102X 12.1-10218[2XSCMove[102X 9.2-8219[2XSCMoves[102X 9.2-9220[2XSCName[102X 4.2-4221[2XSCNeighborliness[102X 6.9-51222[2XSCNeighbors[102X 6.10-14223[2XSCNeighborsEx[102X 6.10-15224[2XSCNrChiralTori[102X 6.5-4225[2XSCNrCyclic3Mflds[102X 6.8-1226[2XSCNrRegularTorus[102X 6.5-5227[2XSCNS[102X 7.1-3228[2XSCNSEmpty[102X 7.1-1229[2XSCNSFromFacets[102X 7.1-2230[2XSCNSSlicing[102X 7.1-4231[2XSCNSTriangulation[102X 7.2-2232[2XSCNumFaces[102X 6.9-52233[2XSCOrientation[102X 6.9-53234[2XSCProperties[102X 18.1-1235[2XSCPropertiesDropped[102X 5.1-4236[2XSCPropertiesFlush[102X 18.1-2237[2XSCPropertiesManaged[102X 18.1-3238[2XSCPropertiesNames[102X 18.1-4239[2XSCPropertiesTmp[102X 18.1-5240[2XSCPropertiesTmpNames[102X 18.1-6241[2XSCPropertyByName[102X 18.1-7242[2XSCPropertyDrop[102X 18.1-8243[2XSCPropertyHandlersSet[102X 18.1-9244[2XSCPropertySet[102X 18.1-10245[2XSCPropertySetMutable[102X 18.1-11246[2XSCPropertyTmpByName[102X 18.1-12247[2XSCPropertyTmpDrop[102X 18.1-13248[2XSCPropertyTmpSet[102X 18.1-14249[2XSCRandomize[102X 9.2-11250[2XSCReduceAsSubcomplex[102X 9.2-12251[2XSCReduceComplex[102X 9.2-13252[2XSCReduceComplexEx[102X 9.2-14253[2XSCReduceComplexFast[102X 9.2-15254[2XSCReference[102X 4.2-5255[2XSCRegularMap[102X 6.5-6256[2XSCRegularMaps[102X 6.5-7257[2XSCRegularTorus[102X 6.5-8258[2XSCRelabel[102X 4.2-6259[2XSCRelabelStandard[102X 4.2-7260[2XSCRelabelTransposition[102X 4.2-8261[2XSCRename[102X 4.2-9262[2XSCRMoves[102X 9.2-10263[2XSCRunTest[102X 15.3-1264[2XSCSave[102X 13.2-3265[2XSCSaveXML[102X 13.2-4266[2XSCSeriesAGL[102X 6.4-1267[2XSCSeriesBdHandleBody[102X 6.4-3268[2XSCSeriesBid[102X 6.4-4269[2XSCSeriesBrehmKuehnelTorus[102X 6.4-2270[2XSCSeriesC2n[102X 6.4-5271[2XSCSeriesConnectedSum[102X 6.4-6272[2XSCSeriesCSTSurface[102X 6.4-7273[2XSCSeriesD2n[102X 6.4-8274[2XSCSeriesHandleBody[102X 6.4-9275[2XSCSeriesHomologySphere[102X 6.4-10276[2XSCSeriesK[102X 6.4-11277[2XSCSeriesKu[102X 6.4-12278[2XSCSeriesL[102X 6.4-13279[2XSCSeriesLe[102X 6.4-14280[2XSCSeriesLensSpace[102X 6.4-15281[2XSCSeriesPrimeTorus[102X 6.4-16282[2XSCSeriesS2xS2[102X 6.4-18283[2XSCSeriesSeifertFibredSpace[102X 6.4-17284[2XSCSeriesSymmetricTorus[102X 6.5-9285[2XSCSeriesTorus[102X 6.3-5286[2XSCSetReference[102X 4.2-10287[2XSCsFromGroupByTransitivity[102X 6.7-2288[2XSCsFromGroupExt[102X 6.7-1289[2XSCShelling[102X 6.10-16290[2XSCShellingExt[102X 6.10-17291[2XSCShellings[102X 6.10-18292[2XSCSimplex[102X 6.3-4293[2XSCSkel[102X 6.9-54294[2XSCSkel[102X 7.3-13295[2XSCSkelEx[102X 6.9-55296[2XSCSkelEx[102X 7.3-14297[2XSCSlicing[102X 11.1-3298[2XSCSpan[102X 6.10-19299[2XSCSpanningTree[102X 6.9-56300[2XSCSpanningTreeRandom[102X 12.1-11301[2XSCStar[102X 4.3-4302[2XSCStars[102X 4.3-5303[2XSCStronglyConnectedComponents[102X 6.6-9304[2XSCSurface[102X 6.3-6305[2XSCSuspension[102X 6.10-20306[2XSCTopologicalType[102X 7.3-15307[2XSCUnion[102X 6.10-21308[2XSCUnion[102X 7.3-16309[2XSCUnlabelFace[102X 4.2-11310[2XSCVertexIdentification[102X 6.10-22311[2XSCVertices[102X 4.1-3312[2XSCVerticesEx[102X 4.1-4313[2XSCWedge[102X 6.10-23314[2XShallowCopy (SCSimplicialComplex)[102X 5.1-3315[2XSize (SCSimplicialComplex)[102X 5.3-4316317318-------------------------------------------------------319320321